True Fitness Z9 Series Owner's Manual
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True Fitness Z9 Series Owner's Manual

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Summary of Contents for True Fitness Z9 Series

  • Page 1 Z8 and Z9 Series C o m m e r c i a l T r e a d m i l l O w n e r ’ s G u i d e...
  • Page 2 Thank You For Selecting A True Treadmill In 1981, Frank Trulaske launched True Fitness Technology, Inc. and began manufacturing hand-crafted treadmills. His team’s obsession with quality has propelled True to the top of the industry and has created one of America’s oldest, largest...
  • Page 3 METs. Appendix C - METs Explanation and Formulas: The metabolic formulas behind energy expenditure estimates. Appendix D - Specifications: The physical attributes of your Z8 and Z9 Series Treadmill. Appendix E - Glossary: Fitness terms defined. Bibliography - References, selected readings and credits.
  • Page 5 Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e chapter one Introduction In This Chapter:...
  • Page 7 Your new treadmill is part of the True Z8 and Z9 Series treadmills, which are all built to the same heavy-duty standards. Since this owner’s guide covers all five Z8 and Z9 Series models, you might notice explanations of features that are different from your treadmill. The main differences are in the consoles. The following section describes the model differences: odel Ifferences A manual treadmill with a simplified display. Z8.1 • Light-blue backlit LCD display with 7 x 20 progress matrix • Four pre-set workout programs • User programs • Heart rate control Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 8 Top Features ntroduCtIon Z9 and Z9.1 • Deep-blue backlit LCD display with 10 x 28 progress matrix • Dot-matrix LCD message center • Four pre-set workout programs • User programs • Heart rate control For your maximum safety and comfort, make sure you read Chapter 9, Important Safety Instructions. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 9 Where to go from Here ntroduCtIon Where to Chapter 1: Introduction. Introduces key features, as well as a guide on where to go next in this manual. Go From Here Chapter 2: The Console. Describes each console key and display window. Chapter 3: Basic Operation. How to get the treadmill started and stopped; calorie consumption estimates; heart rate monitoring. Chapter 4: Operation in Greater Detail. All the details of manual and pre-set programs. Chapter 5: Heart Rate Control Workouts. Four different kinds of treadmill-controlled heart rate feedback workouts. Chapter 6: User Programs. You can record your workout to play back as a custom-designed workout. Chapter 7: Desiging an Exercise Program. Advice on various ways to use your treadmill in a rewarding exercise regime. Chapter 8: Care and Maintenance. Basic requirements, as well as a simple troubleshooting and diagnostics guide. Chapter 9: Important Safety Instructions. Make sure you familiarize yourself with this section. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 10 Where to Go From Here ntroduCtIon Appendix A: Target Heart Rate Chart. A guide to help you pick an initial target heart rate. Appendix B: METs Table. How speed and incline affect workload, expressed in METs. Appendix C: METs Explanation and Formulas. The metabolic calculations behind energy expenditure estimates. Appendix D: Specifications. Bibliography: References and selected readings. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...

  • Page 13: The Console

    Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e chapter two The Console In This Chapter: Lower Console Z9 and Z9.1 Console Z8.1 Console Z8 Standard Console...
  • Page 15 Lower Console onsole Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 16 Z9 and Z9.1 onsole Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 17 Z8.1 onsole Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e   0 Z T X T r e a d m i l l O w n e r ' s G u i d e...
  • Page 18 Z8 Standard Console asIC peratIon Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...

  • Page 21: Basic Operation

    Basic Operation A Note About Calorie Expenditure Calculations Using the Heart Rate Transmitter Strap hapter Introduction The Console hapter Basic Operation hapter Operation in Greater Detail hapter Heart Rate Control Workouts hapter hapter User Programs Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter...

  • Page 23: Starting Your Treadmill

    Straddle the treadbelt by placing your feet on the straddle covers. tartIng Attach the lanyard to your clothing at readMIll roughly waist height. afelY Place the safety key on the key holder on the console. Set your weight using the press Press the or… Press Press the up a different workout, as described in later sections. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Starting Your Treadmill and keys or the numeric keys and...
  • Page 24 Adjusting Speed and Incline three asIC peratIon Speed Control: use either the change speed. Or, to quickly go to a specific speed..enter a target speed with the numeric keys..and then press either the key to change to that speed. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e and keys by themselves to ...then press the small Enter key...

  • Page 25: Setting Your Weight

    Incline Control: use either the up and down keys by themselves to change incline. Or, enter a target incline with the numeric keys, then press the small Enter key , and then press either the up or down that incline. Care should be taken when using the numeric keys to control your toppIng treadmill's speed and incline, since large changes in those values are possible with just a few keystrokes. readMIll afelY Slow the treadmill to below 2 mph using the Your body weight must be entered so that the treadmill accurately estimates your calorie expenditure. This weight must include your ettIng workout clothing, too, which typically adds about three pounds. eIght The treadmill will work fine without your weight setting, but will be unable to calculate your total calories. The treadmill will remember the last weight you entered. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Setting Your Weight key to change to three...
  • Page 26 Calorie Expenditure Calculations three asIC peratIon True treadmills use the calorie expenditure formula as described in Guidelines for Exercise Testing and Prescription from the American College of Sports Medicine. This is the most widely accepted formula for running and walking. The ACSM guide says that running burns calories twice as fast as walking, e.g., a 150-pound person jogging at 5 mph requires 548 calories per hour, while walking at 5 mph requires 274 per hour. See Appendix C for more details. (Other respected researchers such as David Costill think the ACSM overstates the energy difference between running and walking. Costill believes running requires 60% more energy than walking, not 100% as calculated by the ACSM. Using the same example, Costill's calculations result in 496 cal/hour for running 5 mph, with 313 cal/ hour for walking 5 mph.) One potential source of calorie estimate error is that the treadmill doesn't know if you are running or walking, so it has to make some assumptions. It assumes you are walking at 3 mph and slower, and running at 5 mph and faster. Between those two speeds, the treadmill combines the walking and running formulas to make its best guess. Variations in human exercise efficiency are another potential source of error, with differences of plus or minus 10% common in the population Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Bout alorIe xpendIture...

  • Page 27: Heart Rate Monitoring

    The Z8 and Z9 Series (except the Z8 and Z9 onItorIng Non) can monitor your heart rate when eart you wear the transmitter strap provided. It will display it as a digital beats- per-minute readout, and it very accurate, typically within one beat per minute. Although the treadmill functions fine without using the heart rate monitoring feature, this kind of monitoring gives you valuable feedback on your effort level. It also allows you to use the most advanced training system available on a treadmill: True's Heart Rate Control, where the treadmill automatically adjusts your workout level based on your heart rate. See the Heart Rate Control section of this manual for details. sIng the eart ransMItter trap Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 28 The Heart Rate Display three asIC peratIon Once you start your workout, your heart rate will be displayed in beats per minute. The contact heart rate system lets you monitor your heart rate without wearing a strap. Gently grasp the contact heart rate pads as shown below. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e ’...
  • Page 31 Operation in Greater Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e chapter four Detail...

  • Page 33: Workout Setup

    Workout Setup four peratIon In reater etaIl Confirm that the body weight setting is correct. If it is not, adjust it tartIng with the or numeric keys and press For a Quick Start, simply press . The treadmill belt will start moving at 0.5 mph. During your workout, the treadmill will count down from your tar- get time. When it reaches 0:00, it will enter a 2.5-minute cool-down period, with the tread belt at the same speed it was at 0:00 and the treadmill in Manual control mode. After 2.5 minutes, the treadbelt will stop. If you set a distance target in Manual mode, the cool-down period will begin as soon as either time or distance reach zero. To use manual control, which is the first program suggested, press anual . Adjust your workout parameters using the or numeric peratIon keys, then press to accept each parameter. You can keep adjust- ing your workout setup by repeatedly pressing . Your workout won't begin until you press Note: if you don't choose a time or distance target, Time will be elapsed time instead of time remaining. After adjusting your weight if necessary, press twice or until akIng the lights in the time and distance windows flash. Press to set IMe and distance and to set time. When you press , time and dis- Istance...
  • Page 34 Pre-Set Program Details four peratIon In ...adjust the starting level using the keys... After program and level have been selected, set time using the or numeric keys, from 5 to 99 minutes. To stop or pause your workout: slow machine to below 2 mph by pressing , then press in a Pause mode, saving your workout information. To restart your workout, press Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e reater etaIl Press any Express Command...
  • Page 35 Tuning Your Workout four peratIon In reater etaIl To change level during your workout, press . Press keys to change level, then press . If a new program is selected, it will join that program at the same point as the previously selected pro- gram. To change to another pre-set program, press one of the Express Command Keys, then press . The treadmill joins the workout in progress at the same elapsed time as the previous workout. To reset distance, time, and calories during your workout, press and hold until zeros appear in the time, distance, calorie windows. To reset the treadmill back to workout setup mode, press and hold for three seconds. Note: All workouts can be set from 5 to 99 minutes, with the timer counting down from your chosen workout time. The default value (if no time entered) is 30 minutes. When the timer reaches 0:00 it will beep and begin counting up. You must press to end your workout. ’ Some users may prefer a minimal data display. When the treadbelt is unner moving, pressing the Advanced Options key will remove the prog- ress matrix, speed, and grade readouts. The data readouts will then be Elapsed Time, Distance, and Pace (with heart rate displayed if available). Pressing or returns the display to normal operation. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 36 Pre-Set Program Profiles four peratIon In Hill Interval Workout Green is Incline Red is Speed (MPH) Grade (%) Speed Level Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e reater etaIl Speed...
  • Page 37 Pre-Set Program Profiles Cardiovascular Workout Green is Incline Red is Speed Grade (%) Speed (MPH) Level 10.0 11.0 10.5 12.0 Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e four peratIon In reater...

  • Page 39: Heart Rate Control

    Heart Rate Control The Easy Steps to a Heart Rate Control Workout How the HRC System Controls Your Heart Rate Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T.
  • Page 41 True’s heart rate control (HRC) workouts let the treadmill monitor your relative exercise intensity by way of your heart rate, then orkout automatically adjust the workload to keep you at your target heart ntroductIon rate and thus your desired exercise intensity. Your heart rate is a good measure of your body’s exercise stress level. It reflects differences in your physical condition, how tired you are, the comfort of the workout environment, even your diet and emotional state. Using heart rate to control workload takes the guesswork out of your workout settings. See Appendix A for a chart that may help you pick a target heart rate. You need to wear a heart rate monitoring chest strap to use heart rate control. See the “Monitoring Your Heart Rate” section in Chapter 3 for a guide to proper usage. It is not recommended that you use the contact heart rate system for heart rate control workouts. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e HRC Introduction eart Consult your physician before using heart rate...
  • Page 42 HRC Types and a Workout Quick-Guide fIve eart ontrol 1 - Put on a Polar or compatible transmitter chest strap as described on page 25. 2 - Pick the HRC workout. 3 - Enter your workout parameters. This includes target heart rate, maximum treadbelt speed, workout time or distance, and maximum incline. 4 - Press 5 - Warm up. At the beginning of an HRC workout, the treadmill is in full Manual control mode. Gradually increase your work level to slowly raise your heart rate to within 10 beats per minute (bpm) of your target heart rate. 6 - Heart rate control stage. Now the treadmill takes control of speed and incline, keeping your heart rate within a few bpm of your target. 7 - Cool-down. At the end of your workout time or distance, the treadmill reduces workload by half and goes back into Manual control mode, where you directly control your cool-down.  During workout setup, if you keep pressing will continue to scroll through the workout setup parameters. You can press the current parameters and begin your workout.  Pressing any key other than HRC mode.  Adjust your target heart rate at any time during your workout by pressing needed, and pressing your target, you are limited to a 5 bpm change. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e orkouts at any time to accept or...
  • Page 43  The time and distance accumulated during warmup are not counted against your selected workout time or distance; those values start at zero when the treadmill reaches heart rate control mode. This time and distance are accumulated into the workout summary data, as is your cooldown exercise. Increase speed and incline gradually to slowly increase your heart Ips on the rate to within 10 bpm of your target. For best results, you should take about five minutes to get to that point. tage The treadmill operates in a manual control mode during the warm- up stage. You control both speed and incline. You may only increase speed and incline to the preset maximum values entered. It is important that you start at a low level of effort and gradually increase your work load over several minutes until you approach your target heart rate. This allows your body to adapt to your workout. Increasing work load gradually will allow you to enter the heart rate control stage without overshooting your target. Warming up too fast may cause you to overshoot your target. If this occurs, it may take several minutes before the computer software can control your heart rate. You may overshoot and undershoot your target for several minutes until stable control is achieved. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Choices During Workout Setup fIve eart...
  • Page 44 During Your Workout fIve eart ontrol To raise your heart rate in HRC mode, speed will always increase until maximum speed is attained, followed by incline (if incline is used in the workout). To lower your heart rate in the HRC mode, incline will always decrease until zero incline is reached, followed by speed (if incline is used in the workout). Speed changes are in 0.1 mph increments. Incline changes are in 0.5% incline increments. This is equal to between 0.10 and 0.15 METs. 1 - A user who physically cannot walk over 2.5 mph can safely use heart rate control by entering maximum speed of 2.5 in an HRC workout. 2 - A runner can run up to a speed of 10 mph, without hills, by entering a maximum speed of 10 mph and a maximum incline of 0%. 3 - A walker enters a maximum speed of 4.0 mph and a maximum incline of 6%. The walker is limited to a maximum speed of 4.0 mph and incline will be used if required to elevate the heart rate up to a maximum of 6%. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e orkouts oW the hrc s...
  • Page 45 This is the simplest way to enter target heart rate training. While in ruIse manual or any program you can enter Target Heart Rate Control by ontrol simply pressing the Target HRC/Cruise Control key. Your current heart rate will be set as the target. For best results, you should be at least five minutes into your workout and warmed up. This will allow Cruise Control to more accurately control your heart rate. Remember, you must be wearing a chest strap, and your heart rate should be displayed in the Heart Rate window. To change your target heart rate press and press a 5 bpm change. It is important to note that if you are raising your target, the speed and grade change safety limits (described next) may prevent the treadmill from raising your heart rate to your desired new target. If you enter the HRC stage below 5 mph, the speed you enter will ruIse be the maximum speed of your workout. If you like to walk at a ontrol maximum speed of 3.8 mph, you should enter HRC at 3.8 mph. eterMInes oW to If you enter the HRC stage above 5 mph, you will have an additional hange 1 mph of speed. If you enter HRC at 6 mph, your maximum xcercIse attainable speed in the HRC stage will be 7 mph. ntensItY If at any time you enter the HRC stage with incline, you will have an additional 4% of incline available in the HRC stage. If you enter the HRC stage at 1% incline, your maximum attainable incline will be 5%. If you do not enter the HRC stage with incline, no incline will be available during the HRC stage of your workout. Only speed will be used to control your heart rate. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Tips and How HRC Works fIve eart...
  • Page 46 Examples and Cruise Control fIve eart ontrol 1 - Enter HRC at 3.5 mph and 4% incline to allow a maximum speed of 3.5 mph and 8% incline. 2 - Enter HRC at 4.2 mph and 6% incline to allow a maximum speed of 4.2 mph and 10% incline. 1 - Enter HRC at 6 mph and 0% incline to allow a maximum of 7 mph and 0% incline. 2 - Enter HRC at 5 mph and 2% incline to allow a maximum of 6 mph and 6% incline. The heart rate monitor transmitter strap provided with your treadmill should be worn directly against your skin at about one inch below the pectoral muscles/breast line. Women should be careful to place the transmitter below their bra line. Some moisture is necessary between the strap and your skin. Sweat from your exercise works best, but ordinary tap water may be used prior to your workout if desired. If the transmitter strap is adjusted or moved while exercising, communication may be temporarily affected. If communication is lost for 30 seconds, the treadmill will automatically shut off. The transmitter strap sends a low-level radio signal to the treadmill, so interference from other radio and sound waves (including everything from cordless telephones to loudspeakers) is possible. The good news is that interference is usually quite brief. If you Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e orkouts xaMples alkIng...
  • Page 47 continue to have intermittent heart rate display problems, consult your local service technician, as the transmitter strap batteries may be low. Make sure you breath smoothly and regularly. Talking during your workout usually causes heart rate spikes of five beats per minute or more, so avoid talking as much as possible. Maintain a smooth walking or running motion. A grounded outlet is critical for the HRC system to function properly. Use a dedicated 110 VAC, grounded outlet to help prevent interference. Two users wearing the same kind of transmitter at the same time echnIcal and in close proximity may cause false heart rate display readings. Use only the transmitter provided with your True HRC Treadmill or a Polar brand standard transmitter. True's Heart Rate Control is patented under USPTO #5,462,504. If your heart rate exceeds your target by 12 beats, there will be a 30% eart MET reduction in workload to reduce your heart rate. ontrol afetY If your heart rate exceeds your target by 20 beats, the unit will eatures automatically shut off as a precautionary measure. (Be cautious when selecting your target heart rate so the 20 beat variance will not exceed your maximum heart rate as determined by your physician). Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e More Examples fIve eart...

  • Page 49: User Programs

    User Programs How to Record and Run User Programs Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter...
  • Page 51 How to Record and Run User Programs roGrams During a manually-controlled workout, the Z8.1 and Z9 Series oW to treadmills always "records" the changes you make in speed or incline. ecord and Up to three of these recordings can be saved as User Programs that you can "play back" to use as custom-designed workouts. rograMs Note that this workout recording only takes place when you use the default manual mode settings; you cannot choose a target workout time or distance. Time must be counting up during your workout in order for it to be recorded. Up to 36 changes in speed or incline can be recorded. Each speed/ incline pair of changes must be separated by at least 30 seconds. To save a manual workout, press as you normally would to end your workout. Now press and hold until the display shows Save User 1. You can save your workout in User 1, or press to select User 2 or User 3. Press and hold to save the workout program you have selected. To use a User Program that you have saved, simply select it from the list of programs as described in "Pre-Set Program Operation" in the previous section. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 53 Designing an Exercise Establishing and Maintaining Aerobic Fitness Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter...
  • Page 55 The F.I.T. Concept Defined seven esIGnInG an xerCIse roGram The workout portion of your exercise program consists of three hat Is f.I.t. major variables: Frequency, Intensity, and Time. oncept requency: How Often You Exercise You should exercise three to five times a week to improve your cardiovascular and muscle fitness. Improvements are significantly smaller with less frequent exercise. ntensity: How Hard You Exercise Intensity of exercise is reflected in your heart rate. Exercise must be sufficiently rigorous to strengthen your heart muscle and condi- tion your cardiovascular system. Only your doctor can prescribe the target training heart range appropriate for your particular needs and physical condition. Start with exercise that stimulates you to breathe more deeply. Alternate days of moderate and easy exercise to help your body adapt to new levels of exertion without unnecessary strain. If you are just beginning an exercise program, you may be most comfortable walking at a speed of 1-2 mph. As you use your tread- mill regularly, higher speeds may be more comfortable and more effective. Inability to maintain a smooth, rhythmic motion suggests that your speed and/or elevation may be too great.
  • Page 56 More F.I.T. Concept Overview seven esIGnInG an As your fitness level improves, you will need to increase your workout intensity in order to reach your target heart rate. The first increase may be necessary after two to four weeks of regular exer- cise. Never exceed your target heart rate zone. Increase the speed and/or incline on the treadmill to raise your heart rate to the level recommended by your doctor. The incline feature can be used to greatly increase the workload without increasing speed. The chart below indicates how much the effort changes with each percent of incline at common speeds for a person weighing 155 pounds. METs One MET is the amount of energy your body uses when you're rest- ing. If a physical activity has an equivalent of 6 METs, its energy demands are 6 times that of your resting state. The MET is a useful measurement because it accounts for differences in body weight. See Appendix C for more details. ime: How Long You Exercise Sustained exercise conditions your heart, lungs, and muscles. The longer you are able to sustain exercise within your target heart range, the greater the aerobic benefits. To begin, maintain two to three minutes of steady, rhythmic exercise and then check your heart rate. The initial goal for aerobic training is 12 continuous minutes. Increase your workout time approximately one or two minutes per week until you are able to maintain 20-30 continuous minutes at your training heart rate. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e xerCIse roGram...
  • Page 57 Utilizing the F.I.T. Concept seven esIGnInG an xerCIse roGram The F.I.T. concept and chart are designed to help you begin a pro- sIng the f.I.t. c gram tailored to your needs. You may wish to keep an exercise log to oncept monitor your progress. You can get valuable fitness benefits from your True Treadmill. Itness Using the treadmill regularly may increase the ability of your heart rograM and lungs to supply oxygen and nutrients to exercising muscles over an extended period of time. The treadmill will also help you develop added muscle endurance and balanced strength throughout your body. Calculate your maximum heart rate as a first step in developing eterMInIng your fitness program. The formula to calculate average maximum eeds heart rate for one minute is 220 beats per minute minus your age. To find your pulse, locate a vein on your neck or inside your wrist, then count beats for ten seconds, then multiply by six. (See chart in Appendix A.) It's also important to know your target training zone or target heart rate. The American Heart Association (AHA) defines tar- get heart rate as 60-75 percent of your maximum heart rate. This is high enough to condition, but well within safe limits. The AHA recommends that you aim for the lower part of the target zone (60 percent) during the first few months of your exercise program. As you gradually progress you can increase your target to 75 percent.
  • Page 58 Beginning Your F.I.T. Program seven esIGnInG an In addition to monitoring your heart rate as you exercise, be certain of how quickly your heart rate recovers. If your heart rate is over 120 beats per minute five minutes after exercising, or is higher than nor- mal the morning after exercising, your exertion may be too strenu- ous for your current level of fitness. Reducing the intensity of your workout is recommended. The age-adjusted target heart rates indicated in the chart in Appendix A reflect averages. A variety of factors (including medica- tion, emotional state, temperature, and other conditions) can affect the exercise heart rate appropriate for you. Warning: Consult your doctor to establish the exercise intensity (target heart rate zone) appropriate for your age and condi- tion before beginning any exercise program. Warm-Up: Slow and Deliberate Exercise You are not warmed up until you begin to perspire lightly and breath more deeply. Warming up prepares your heart and other muscles for more intense exercise and helps you avoid premature exhaustion. Begin each workout by walking even if you plan to run. Start slowly, exploring different speeds until you can comfortably sustain your speed. A good suggestion is a minimum of three minutes. Perspiration on your brow is a good indicator of a thorough warm-up. The older you are, the longer your warm-up period should be. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e xerCIse roGram egInnIng...
  • Page 59 Your F.I.T. Program Continued seven esIGnInG an xerCIse roGram Workout: Brisk and Rhythmic Exercise The workout trains and conditions your heart, lungs, and muscles to operate more efficiently. Increase exercise in response to your heart rate to train and strengthen your cardiovascular system. Concentrate on moving your arms and legs smoothly. Walk naturally and avoid jerking motions that can cause pulled muscles, sprained joints, and loss of balance. Cool-Down: Slow and Relaxed Exercise Cooling down relaxes your muscles and gradually lowers your heart rate. Slowly reduce your workload until your heart rate is below 60 percent of your maximum heart rate. The cool down should last at least five minutes, followed by some light stretching to enhance your flexibility. Beginning a Fitness Program If you cannot sustain 12 continuous minutes in your target heart rate zone, exercise several times a day to get into the habit of exer- cising. Try to reach and maintain 60-65 percent of your maximum heart rate. Alternate exercise with periods of rest until you can sustain 12 continuous minutes of exercise at 60-65 percent of your maximum heart rate.
  • Page 60 Establishing and Maintaining Fitness seven esIGnInG an If you can sustain 12 but not 20 continuous minutes of exercise in your target heart rate zone: Exercise three to five days a week. Rest at least two days per week. Try to reach and maintain 60-75 percent of your maximum heart rate with moderate rhythmic exercise. Begin with 12 continuous minutes. Increase your time by one to two minutes per week until you can sustain 20 continuous minutes. If you can sustain 20 continuous minutes in your target heart rate zone, begin to increase the length and intensity of your workout: Exercise four to six days a week or on alternate days. Try to reach and maintain 70-85 percent of your maximum heart rate with moderate to somewhat hard exercise. Exercise for 20-30 minutes. Consistent aerobic exercise will help you change your body com- position by lowering your percentage of body fat. If weight loss is a goal, combine an increase in the length of your workouts with a moderate decrease in caloric intake. For weight control, how long and how often you exercise is more important than how hard you exercise. Exercise four to five times a week. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e xerCIse roGram staBlIshIng...
  • Page 61 Weight and Sports Training Programs seven esIGnInG an xerCIse roGram Try to reach and maintain 60-75 percent of your maximum heart rate with moderate exercise. Exercise for 30-45 minutes at 60-65 percent of your target heart rate. Here are some tips to achieving your weight management goal: Consume most of your dietary calories at breakfast and lunch, and eat a light dinner. Do not eat close to bedtime. Exercise before meals. Moderate exercise will help suppress your appetite. Take exercise breaks throughout the day to help increase metabo- lism (calorie expenditure). When you are training to improve strength and performance: ports raInIng Exercise four to five days a week. Alternate exercise days and inter- vals of hard to very hard exercise with easy to moderate exercise. Exercise for 30 minutes or longer. Warning: these strategies are intended for average healthy adults. If you have pain or tightness in your chest, an irregular heartbeat, shortness of breath or if you feel faint or have any discomfort when you exercise, stop! Consult your physician before continuing. Remember, every workout should begin with a warm-up and finish with a cool-down. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...

  • Page 63: Care And

    Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter Heart Rate Control Workouts User Programs hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e chapter eight Care and Maintenance...
  • Page 65 Servicing is to be done with appliance disconnected from the supply circuit. To disconnect, turn all controls to the off position, then remove the plug from the outlet. To extend the life and appearance of your TRUE Z-Series treadmill, we aily recommend that you perform the following steps daily: erviCe 1. Wipe clean your TRUE Z-Series Treadmill to remove perspiration. We also recommend that you encourage your employees and clients to wipe perspiration from the unit after each use. Use a damp soft towel or cloth. NOTE: Do not wipe under the treadbelt when cleaning dust or debris off the unit as this may damage the treadbelt and deck.
  • Page 66 Maintenance Schedules are and aIntenanCe To extend the life and appearance of your TRUE Z-Series treadmill, we recommend that you monthly: 1. Clean the treadmill of dust and dirt that might accumulate under and behind the treadmill. Vacuum small rubber particles from the soles of running shoes that accumulate alongside the belt and behind the machine. 2. Inspect the autowaxer for sufficient wax in the wax channel. a. Lay treadmill on its side. b. Pull back the treadbelt (on the bottom of the treadmill) to expose the wax channel. c. The wax channel should be at least ¼” thick at its thinnest point. d. Feel along the full length of the wax channel for consistent thickness. e. Call authorized service technician to replace wax channel if it is less than ¼” thick at any point. NOTE: To prevent damage to the treadbelt, do not allow the treadmill to run without sufficient wax in the wax channel.
  • Page 67 CAUTION: Keep area under the treadmill free from obstructions because the deck returns to 0% grade when the safety key is replaced. Failure to do so could cause personal injury or damage to the machine. NOTE: Messages appear in the Message Center on the Z8.1, Z9, Z9.1 and Z9.15. The messages display differently on the Z8 and appear in the Primary Dis- play Window. They are shown below in parentheses. 1. Hold (up/down) while placing the SAFETY KEY onto the Keyboard to enter the Calibration Mode.

  • Page 68: Error Codes

    Error Codes are and aIntenanCe Or to indicate an error in speed or incline: INVALID INCLINE DATA INVALID SPEED DATA CALIBRATION ABORTED: NO SPEED SENSOR 4. Remove and replace Safety Key and exit Calibration Mode The following Error Codes and Service Codes will follow a double “beep” and show on the display. Service Codes provide preventative maintenance reminders. A Service Code will repeat for the next five times you start the treadmill. A Service Code will clear after any key has been pressed. When an Error Code occurs, call an authorized service technician. Z8.1/9/9.1/9.15 E1: MINIMUM E1:RANGE E1 r E1:STALL E1 S E1:INCLINE E1 i E2:OVERSPEED E2 O E2:CAL E2 C E2:RECAL E2 r E5:SENSOR E5 S Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e (bAd grad dAtA) (bAd SPd dAtA) (CAL StOP)
  • Page 69 e6 l The failure code displayed will be “E-5 Sensor” when receiving the E5 Sen- evel and sor error, enter diagnostic mode and check the error log. Below is a list of link odeS status display codes. When the drive is faulted, the Status LED blinks out the default code. The code will blink the proper number of times, pause with the LED off, and then repeat the code. Status Code No Blink (Steady On) Fast (Steady Blink) LED Off 1 Blink (E601) 2 Blink (E602) 3 Blink (E603) 4 Blink (E604) 5 Blink (E605) 6 Blink (E606) 7 Blink (E607) 8 Blink (E608) Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e E6 Level and Blink Codes are and Description...
  • Page 70 Field Diagnostic mode provides total hours, distance, average speed, ability to change the units of measure, ability to set the “user not present” func- tion, a list of service and error codes, the ability to set program time, and a log of the last five errors. NOTE: Messages appear in the Message Center on the Z8.1, Z9, Z9.1 and Z9.15. The messages display differently on the Z8 and appear in the Pri- mary Display Window. They are shown in parentheses. 1. Hold the (minus/plus) while placing the Safety Key on the Keyboard.
  • Page 71 6. Press (up arrow) to display User Not Present function. The following messages will display: CURRENT SHUT (Crnt) No. of seconds until treadmill shuts off 7. Press (up arrow) repeatedly to display list of errors. The service/error codes will be listed. See Error and Service Codes on the previous page. 8. Press (up arrow) to display program time. The following messages will display: MAXTIME (t) 9. Press (up arrow) repeatedly to display the error log. The Error Log lists the five most recent Error Codes and the distance at which each Error Code occurred. The following messages will display: ERROR CODE NOTE: If there are no errors in the error log, the following message will be displayed: LOG EMPTY (LgCL) 10. Remove SAFETY KEY to exit Diagnostics. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Diagnostics (cont.) are and...
  • Page 73 Important Safety Introduction hapter The Console hapter Basic Operation hapter Operation in Greater Detail hapter hapter User Programs Heart Rate Control Workouts hapter Designing an Exercise Program: The F.I.T. Concept hapter Care and Maintenance hapter Important Safety Instructions hapter Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e chapter nine Instructions In This Chapter:...
  • Page 75 Review for Your Safety nIne mportant afety nstruCtIons When using this treadmill, basic precautions should always be followed, including the following: Read all instructions before using this treadmill. Consult your physician before beginning any exercise program. Do not use if you have an acute cold or fever. Danger: To reduce the risk of electric shock, always unplug this treadmill immediately after use and before cleaning. Warning - to reduce the risk of burns, fire and electric shock, and injury to persons, follow these instructions: This treadmill should never be left unattended when plugged in. Unplug it from the outlet when not in use and before any service is performed. Close supervision is necessary when this treadmill is being used by or near children, invalids, or disabled persons. Use this treadmill only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer. Never operate this treadmill if it has a damaged power cord or plug, if it is not working properly, if it has been damaged or dropped, or if it has been submerged in water. In these cases, the treadmill should be examined by a qualified service technician.
  • Page 76 Review for Your Safety nIne mportant afety Use a dedicated 110 volt, alternating current, 15 amp three-prong grounded outlet. Keep the power cord away from heated surfaces. Never drop or insert any object into any opening. To disconnect, turn the power switch to the OFF position, then remove the plug from the outlet. Do not allow animals on or near your treadmill. Make sure the power cord has enough slack to allow the treadmill to raise freely without being limited by the cord or caught in the incline rack. Do not run the power cord under treadmill. Use the treadmill indoors only. Never use your treadmill near water or while wet. Using the treadmill around a pool, hot tub or sauna will void the warranty. Do not operate where aerosol (spray) products are being used or where oxygen is being administered. Allow only trained personnel to service this equipment. Keep the area under the treadmill free from obstruction, as the deck will return to 0% grade when the safety key is placed on the console. Avoid the possibility of bystanders being struck or caught between moving parts by making sure that they are out of reach of the treadmill while it is in motion. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e nstruCtIons...
  • Page 77 Keep the space behind and on both sides of the treadmill clear should you lose your balance. Allow only one person at a time on your machine. Do not operate treadmill without the safety key attached to the console and the lanyard clipped to your clothing at approximately waist height. Always straddle the treadbelt and allow the belt to begin moving before stepping onto the belt. Use extreme caution when stepping onto moving treadbelt. Some programs begin at speeds as high as 4.8 mph. Gradually slow down the belt before stopping. This will minimize the sensation of movement after you stop. When making treadbelt adjustments, keep fingers, loose clothing, jewelry, and long hair away from moving parts. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e Review for Your Safety nIne mportant...

  • Page 79: Target Heart Rate

    appendix a Target Heart Rate Chart A Guide to Help You Pick an Initial Target Heart Rate Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 81 Contact heart rate monitoring (perhaps more accurately called hand- ontact touch heart rate monitoring) uses the same principles as chest strap eart monitoring: electrically conductive pads detect the faint electrical onItorIng signals produced by a beating heart and are converted to a data signal which can then be displayed digitally as a numeric beats per minute value. The only difference is that a chest strap is right next to the heart, so the signals are relatively strong. Contact heart rate (CHR) using the fingers and palms receives an inherently much fainter signal. This is the sole reason for the performance differences between the two sys- tems. This is also the reason why CHR systems must typically use two pads per side for a total of four detection pads, while a chest strap uses just one pad per side; the extra pads are required to help detect the fainter signal. The electrical signals detected by heart rate monitoring systems are a side-effect of the electrical control signals the heart generates to fire its muscles in the right sequence. The signals start in the top, or up- per-right part of the heart (known as the sinoatrial node), then travel down to the bottom, or lower-left part of the heart (known as the Purkinje fibers). It is the fact that the heart is tilted in the chest cavity, and thus these signals move from the right to the left side of the body, that makes it possible for monitoring pads on each side of the body to detect the heart rate. (The CHR pads correspond roughly to leads I and III in a standard 12-lead ECG setup.) If a person’s heart is tilted less than average, the signal is weaker. (Note that this is not indicative of heart strength or health.) In some people, their heart is nearly vertical in their chest, and even a chest strap cannot pick up their heart rate signal. (12-pad medical ECG systems still work well on such an individual.) Less than 1% of the population are in this category. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e a - t ppendIx arget...
  • Page 82 a - t ppendIx arget Because CHR is already trying to detect a fainter signal compared to a chest strap, it takes less of a vertical heart position to cause it to stop working. Depending on the CHR system, somewhere between 3% and 5% of the population cannot be picked up by any contact heart rate monitoring system. This heart-in-the-chest-cavity position is by far the leading cause of CHR performance variation among individuals. Other factors which negatively affect CHR performance are: 1. Dry or dirty hands. 2. Lotion or moisturizer on hands. 3. Excessive upper body motion, such as when using cross-trainer ellipticals and in running. 4. Excessively tight grip. 5. Erratic or labored breathing or excessive talking. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e eart hart auses...
  • Page 83 a - t ppendIx arget eart hart Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 85 appendix b METs Table How Speed and Incline Affect Workload, Expressed in METs Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 87 B - Met ppendIx aBle Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 89 appendix c METs Explanation and Formulas The Metabolic Formulas Behind Energy Expenditure Estimates Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 91 ppendIx As stated earlier, the MET is a unit of exercise measurement that takes into account body weight. Since energy expenditure in a xplanatIon weight-bearing exercise such as running, walking, or stairclimbing is directly proportional to body weight, the formulas to calculate METs orMulas are a bit simpler than for, say, an exercise bike. For example, 7 mph running is always 11.7 METs, no matter who you are. A MET is defined as 3.5 ml/min/kg of oxygen usage by the body, where: ml is milliliters, the actual measured volume of gaseous oxygen min is minutes kg is bodyweight in kilograms This energy consumption rate corresponds to about 72 calories per hour for a 150-pound person, which approximates the average basal metabolic rate of the general population. The best formulas for treadmill energy expenditure also use oxygen usage by the body, or VO2. The two formulas are: walking VO2 = (2.68 * speed) + (0.48 * speed * incline) + 3.5 running VO2 = (5.36 * speed) + (0.24 * speed * incline) + 3.5 To get METs, divide the result by 3.5. (Noted exercise physiologist David Costill's speed constants for walking and running are 3.06 and 4.86, respectively.) Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e c - Met xplanatIon and orMulas...

  • Page 93: Specifications

    The Size and Performance Attributes of Your Z8 or Z9 Series Treadmill Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 95 - s ppendIx pecIfIcatIons Maximum speed: 12 mph; Z9.15: 15 mph pecIfIcatIons Incline range: 0 to 15%; Z9.1 -3% to +12% Drive motor: 6 hp. Treadbelt area: Z9 & Z9.1: 23” x 63”; Z8 and Z8.1: 20” x 63” Treadmill Weight: 400 Pounds Maximum user weight: 400 pounds. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 97 appendix e Glossary Definitions of common terms used throughout this document Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 99 e - g ppendIx lossarY ACSM: the American College of Sports Medicine, probably the single lossarY most-respected sports medicine and exercise physiology organization. This doesn’t mean they’re always right, however, even on important subjects, but if you don’t know better, you trust the ACSM. Their Guidelines for Exercise Test and Prescription, now in it’s seventh edition, is the universal reference handbook for the field. Their monthly jour- nal, Medicine and Science in Sports, is one of the two big sports medi- cine journals (the other is the Journal of Exercise Physiology). aerobic capacity: a measurement of an individual’s potential for inten- sity and duration of cardiovascular exercise which is primarily derived from oxygen metabolism. This distinguishes it from anaerobic, or non-oxygen metabolism exercise. The most common laboratory mea- surement is maximal oxygen uptake, or VO2max. The other big factor affecting aerobic capacity is the lactate threshold, which is very dif- ficult to measure and thus seldom used. (Number three on the aerobic capacity factor list is biomechanical efficiency.) Non-laboratory mea- surements of aerobic capacity include submaximal fitness tests and 1.5-mile maximal runs.
  • Page 100 e - g ppendIx lossarY chest strap, transmitter: use to detect heart rate, then transmit using a 5 kHz radio signal to a receiver in fitness equipment (or wristwatch). Originally invented by the Finnish company Polar in the early 1980s, this technology is now widely available from other sources. CHR (contact heart rate) pads: stainless steel handgrips used to detect ECG signals. Typically the two top pads are “hot” or positive, while the two bottom pads are common. These pads are roughly equivalent to lead I and lead III in a standard 12-lead ECG system. constant power: a type of workload control system, most commonly found on self-generating exercise bikes. Since power = torque x rpm, a constant power system lowers torque when pedal rpm increases, and increases torque when rpms decrease. constant torque: a type of workload control system, most commonly found on ellipticals and low-end plug-in exercise bikes. Unlike con- stant power, torque does not change when pedal rpm does. contact heart rate (CHR): a system to acquire ECG data from hand- grips, eliminating the need for a chest strap. A better name would be hand touch heart rate. CHR is less accurate than chest strap moni- toring, and doesn’t work well during high-intensity or strong-motion exercise, such as running or upper-body exercise. Newer digital CHR systems, are greatly improved in these areas.
  • Page 101 e - g ppendIx lossarY Quinton, Schwinn, Stairmaster, Star Trac, Tectrix, and Trotter. See fitlinxx.com/csafe/. exercise: the different metabolic state during any activity greater than rest. More commonly, the voluntary activity undertaken for health and conditioning reasons. exercise intensity: a measurement of the extra metabolism above basal metabolic rate (BMR). Sometimes this measurement includes BMR, but this is less desirable. This measurement is usually using standardized formulas for different exercises. Direct measurement requires oxygen uptake monitoring equipment. Typical units of measurement are watts, calories per hour, METs, and VO2. Note that this is not the same as the amount of power being applied to an external machine, due the body’s efficiency of between 20% and 30%. exercise, weight-bearing: where the body’s full weight must be lifted and moved. With exercise equipment, only treadmills and stairclimbers meet this requirement. (Ellipticals are not true weight- bearing exercise, although riding style does affect this somewhat.) The reason weight-bearing exercise is important to distinguish from non-weight-bearing exercise is because in the former, calorie consumption varies directly with body weight, whereas in the latter (which includes exercise bikes) body weight does not affect calorie consumption. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e...
  • Page 102 e - g ppendIx fitness test, maximal: the only valid way to accurately determine maximal oxygen uptake, using VO exist, but in general a treadmill is used and the exercise intensity is gradually increased over a five to eight minute period. The subject is strongly encouraged to run to absolute exhaustion which, given the psychological and safety difficulties of this, creates inevitable variations in test results. This maximal effort is supposed to contain within it some point where the subject is consuming the maximum amount of oxygen. fitness test, submaximal: a safer, easier, and more convenient way to estimate maximal oxygen uptake, at the expense of a great deal of accuracy. The best results from such tests is typically +/- 15% com- pared with “true” VO tion protocols, such as the YMCA bike protocol and some tread- mill protocols. Non-extrapolation protocols include the Astrand- Ryhming bike protocol and the Gerkin treadmill protocol. heart rate, maximum (HRmax): the heart rate at which the body will allow no further increase. For healthy people, reaching maximum heart rate is not unsafe. HRmax is usually an estimate based on age, as it decreases with age. heart rate reserve (HRR): the range of heart rate values between maximum and resting heart rates. This is useful because it cor- responds very closely to the VO %HRR reserve thus is a very good estimate of % VO heart rate, resting: most accurately measured when laying down in the morning, with no food or caffeine ingestion for at least the pre- vious three hours.
  • Page 103 e - g ppendIx lossarY Interval workouts are popular because they are superior training for sports activities, which almost always involve highly varying exer- cise intensities. Interval workouts are not optimal for weight loss or weight control, since steady-state exercise is most efficient for maxi- mal total energy expended for a given effort. METs: unit of energy expenditure used for exercise prescriptions, defined as the current energy expenditure rate divided by the basal metabolic rate (BMR). In the case of METs, BMR is defined as a VO2 of 3.5, meaning it varies directly with body weight. This is incorrect, as BMR varies with the -root of body weight. See T- MET. , the rate of consumption of oxygen uptake: also referred to as VO oxygen, usually expressed as a rate per unit of body weight, or mil- liliters per kilogram per minute, or ml/kg/min, or ml/kg*min -1 . This is the best way to accurately measure energy expenditure during aerobic exercise. RJ-45: an 8-conductor locking connector used for the CSAFE sys- tem, also commonly used for Ethernet cables (where only four wires are used). The RJ-45 is typically wired using the EIA/TIA-568 twist- ed-pair wiring standard. rpm: revolutions per minute, the most common unit of measure of angular motion in the non-scientific world. The International System (SI) unit that is more useful is radians per second, which is equal to 0.1047 rpm. segment, work and rest: same as work and rest interval. See interval training.
  • Page 104 e - g ppendIx speed, simulated ground: applies the measured energy expendi- ture to an outdoor bike equation, producing a speed feedback more applicable to an elliptical or exercise bike rider. T-MET: a replacement for METs that properly takes body weight into account. A T-MET = watts / kg 2/3 , where watts is power applied to an external machine by the exerciser, and kg is the exerciser’s body weight in kilograms. True’s marketing name for the T-MET concept is Personal Power. : see oxygen uptake. max: maximal oxygen uptake, the single best way to measure aerobic capacity (see). watts: the International System unit of power measurement, defined as Joules per second. One watt is roughly equal to 4.2 calories per hour. Watts are commonly used to report workload on exercise bikes, less so on ellipticals, and virtually never on treadmills. workload: the amount of power being demanded of an exerciser, manifesting itself in the exerciser as exercise intensity. Common workloads are treadmill running belt speed, bike torque and pedal rpm, or stairclimber vertical climbing speed. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ' s G u i d e lossarY...
  • Page 105 bibliography Bibliography References and Selected Readings Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ’s G u i d e...
  • Page 107 American College of Sports Medicine, ACSM's Guidelines for Exercise Testing and Prescription. 6th edition. Philadelphia: Lippincott Williams & Wilkins, 2000. Feynman, Richard P., The Feynman Lectures on Physics. Original edition. Boston: Addison Wesley, 1970. ISBN: 0-201-02115-3. Huszar, Robert J., Basic Dysrhythmias. Third Edition. St. Louis, Missouri: Mosby, 2002. McArdle, William D., Katch, Frank I., and Katch, Victor L., Exercise Physiology, 5th edition. Baltimore: Lippincott Williams & Williams, 2001. McMahon, Thomas A. and Bonner, John T., On Size and Life. New York: W. H. Freeman, 1985. ISBN: 0-716-75000-7. Pollack, Michael L., Gaesser, Glenn A., Butcher, Janus D., et al. (1998) The recommended quantity and quality of exercise for d eveloping and maintaining cardiorespiratory and muscular fitness in healthy adults. (The ACSM Position Stand on Fitness.) Medicine and Science in Sport and Exercise, 30(6): 975-991. URL: <ipsapp006.lwwonline.com/content/getfile/2320/20/1050/fulltext. htm>...
  • Page 108 Bibliography Robergs, Robert A. and Landwehr, Roberto. (2002) The Surprising History of the "HRmax = 220 - age" Equation. Journal of Exercise Physiology, 5(2). ISSN 1097-9751.2 Article URL: <http://www.asep.org/Documents/Robergs2.pdf> Journal URL: <http://www.asep.org/FLDR/JEPhome.htm> Starr, Robert M. and Doyle, Jay D., 550 ZTX Owner’s Guide, Colophon edition. O’Fallon: True Fitness Technologies, 2003. Swain, David P. and Leutholtz, Brian C., Metabolic Calculations - Simplified. Baltimore: Williams & Wilkins, 1997. Tufte, Edward R, Visual Explanations. Chesire, Connecticut: Graphics Press, 1997. Whitmore, Jack H. and Costill, David L., Physiology of Sport and Exercise. 2nd edition. Champaign, Illinois: Human Kinetics, 1999. Whitt, Frank R. and Wilson, David G., Bicycling Science. Cambridge: The MIT Press, 1982. Z 8 a n d Z 9 S e r i e s T r e a d m i l l O w n e r ’s G u i d e...
  • Page 109 True offers a full line of leading edge Cardiovascular and Flexibility equipment. Z Series Bikes TrueStretch Flexibility Unit Z Series Treadmills...
  • Page 110 F o u n d e d 1 9 8 1 8 Hoff Road O’Fallon, MO  800.42.0 truefitness.com ©200 TRUE FITNESS TECHNOLOGY, INC. TRUE is a registered trademark of TRUE FITNESS. Specifications subject to change. Revision: 8/200 Part: 00400...

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