Mindfield eSense Muscle Quick Manual

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Version 1.0.0 | 12.05.2021

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Page 1 QUICK GUIDE Version 1.0.0 | 12.05.2021...
Page 3 We are glad that you chose our product. With the eSense Muscle and the accompanying eSense (Web) App, you have chosen a high-quality product that benefits from our years of experience with biofeedback. The instructions for use include essential information. Please read this Quick Start Guide carefully.
Page 4: Table Of Contents
Cleaning and care ..................17 Mindfield eSense Mobile App ............... 18 Mindfield eSense Web App for Desktop Devices (Windows, Mac, Linux) ..20 Mindfield eSense Web App for mobile devices (Android or iOS) ....23 General information about EMG (electromyography) biofeedback training ... 26 The EMG signal ...................
Page 5: Scope Of Delivery Of The Esense Muscle
Scope of delivery of the eSense Muscle: • Mindfield® eSense Muscle Sensor incl. 1600mAh Lithium Polymer battery for approx. 12 hours of continuous operation Switch 2 (Gray): Mode Chann el 1 Ground (Ground) Switch 1 (Black): Chann ON/OFF el 2...
Page 6 • Electrode cable set for a connection of up to five electrodes DIN safety plug Standard push button connectors for any type of EMG/EKG surface electrodes...
Page 7 • USB-C charging cable and charger Please only use the enclosed charger! Fully charge the eSense Muscle before first use! Observe the notes in the manual!
Page 8 • Bluetooth dongle for PCs that do not have Bluetooth (please refer to the enclosed instructions) • 50 pieces EMG surface electrodes These are disposable electrodes for single use! Please always close the package airtight so that the electrodes do not dry out.
Page 9 EMG disposable electrodes. These alcohol swabs degrease the skin. This results in better signal quality. • eSense Muscle Web App by Mindfield, available at www.esense-muscle.com First, read this Quick Start Guide entirely before using the eSense Muscle Web!
Page 10: Commissioning: Esense Muscle
After the eSense Muscle is fully charged, you can start using it for the first time. A full charge can take up to five hours. During an ongoing charging process, the eSense Muscle cannot be used for measurement for safety reasons.
Page 11 Apply the electrode cables and electrodes: Remove the electrode cable set from the package. There are five electrode cables included: black, white, yellow, red and green. The yellow electrode cable is the ground electrode! For a 1-channel measurement, please use the electrodes black (channel 1+), white (channel 1-) and yellow (ground).
Page 12 For a 2-channel measurement, please use the electrodes black (channel 1+), white (channel 1-), yellow (ground), red (channel 2+) and green (channel 2-). Two examples of a one-channel measurement:...
Page 13 An example of a two-channel measurement:...
Page 14 Otherwise, they will dry out in a short time and stop providing correct values. Now the eSense Muscle is ready for use and connected to the eSense (web) app. For more information, please refer to the corresponding chapter.
Page 15: Notes On The Internal Battery
Notes on the internal battery The eSense Muscle uses an internal Lithium Polymer battery with 3.7V operating voltage. The eSense Muscle is charged with five volts via the included USB-C cable and USB charger. You can read the current state of charge in the eSense (web) app. To save the battery, the device switches off after two minutes of inactivity;...
Page 16 If you do not use the eSense Muscle for a more extended period, always store it in the enclosed case. Charge it fully first when you start it up again.
Page 17: Cleaning And Care
• Avoid dirt getting into the connection sockets. • If you do not use the eSense Muscle for a long time, you must fully charge it before using it again. • The enclosed EMG surface electrodes are disposable and should...
Page 18: Mindfield Esense Mobile App
Mindfield eSense Mobile App The eSense Muscle includes the Mindfield eSense Mobile App, which you can download for free from the Google Play Store (Android) or Apple App Store (iOS). Just search for "Mindfield eSense". The app offers a wealth...
Page 19 The manual explains the app in detail with all its functions. Please read it carefully before the first session. You can find the complete manual on our website www.mindfield.de under "Biofeedback" => "Products" => "eSense" => "eSense Muscle"...
Page 20: Mindfield Esense Web App For Desktop Devices (Windows, Mac, Linux)
Mindfield eSense Web App for Desktop Devices (Windows, Mac, Linux) For the first time, the eSense Muscle comes with new software—a web app that runs exclusively in a web browser. You do not need to install any software. All you need is: A PC or notebook with Windows 10, Mac or Linux.
Page 21 Microsoft Edge Opera We recommend that you use the latest version of "Google Chrome." Mozilla Firefox and Apple's Safari are NOT SUPPORTED! So, if you have a computer with Bluetooth and one of the mentioned browsers, please go to the website: https://www.esense-muscle.com You can then launch the web application on this web page and get further instructions on how to use it (please watch the instruction...
Page 22 You are offered different representations of the measurement (oscilloscope, different animations, different games, etc.) We update the eSense Muscle Web App regularly.
Page 23: Mindfield Esense Web App For Mobile Devices (Android Or Ios)
Mindfield eSense Web App for mobile devices (Android or iOS) For the first time, the eSense Muscle comes with new software—a web app that runs exclusively in a web browser. This is also usable for mobile devices, but we recommend using the Mindfield eSense Mobile App once it supports the eSense Muscle.
Page 24 "eSense Muscle" from the Apple App Store, a minimal browser that supports Web Bluetooth. It will take you directly to our website after the start. If you are using Google Chrome on Android or the "eSense Muscle" app on iOS, please navigate to: https://www.esense-muscle.com...
Page 25 You are offered different representations of the measurement (oscilloscope, different animations, different games, etc.) We update the eSense Muscle Web App regularly. We recommend using the desktop version of the eSense Web App with a desktop PC, notebook with Windows, Mac or Linux. The mobile version of the...
Page 26: General Information About Emg (Electromyography) Biofeedback Training
This form of measurement is called (surface) electromyography, and the result is an electromyogram. The eSense Muscle can measure and evaluate this electromyographic activity and transmit it to a terminal device via Bluetooth. Transverse striated muscles are controlled by our somatic nervous system and are subject to voluntary control.
Page 27 surface EMG electrodes are placed immediately leads to increased trace in the EMG signal. However, involuntary reactions, such as stress, inner tension and emotional experience, can also be measured as (tonic) activity in the EMG. EMG biofeedback can also report the general psychophysiological tension. The interplay between the autonomic and somatic nervous systems can be depicted particularly well in the EMG.
Page 28: The Emg Signal
The eSense Muscle can measure the EMG raw signal and transmit it via Bluetooth, as well as already three preset bandpass signals (RMS)
Page 29 signals, as these are related to amplitude and applied muscle force. The amplitude ranges from a few µV (millionths of a volt) to several hundred µV in particularly strong muscles. The frequency range of the EMG signal does not play a significant role in EMG biofeedback.
Page 30: Abstract Of An Emg Biofeedback Training
Abstract of an EMG Biofeedback Training EMG biofeedback training can be performed to reduce stress and its vegetative symptoms by decreasing the muscle tone of specific "stress muscles." Typical stress muscles are the frontal muscles (M.Frontali), the jaw muscles (M.Masseter) and the shoulder muscles (M. Trapezius). Possible derivation positions for this are:...
Page 31 Exercises that include targeted contraction relaxation (like progressive muscle relaxation) can lower the baseline tone of these muscles, resulting in a concomitant reduction in stress. A variety of possible derivations can build up muscles and strengthen individual muscles or muscle groups. The closer the two electrodes of a channel are placed to each other, the more precisely the underlying muscle is recorded.
Page 32 Necessary: if you suffer from a disease, do not perform a treatment independently and always consult a therapist. The eSense Muscle is not a medical device and may only be used for stress reduction, muscle...
Page 33: Troubleshooting Connection Problems
In case of Bluetooth connection problems between the eSense Muscle and your end device, please check the following steps: Is the eSense Muscle charged and ready to use? Is the blue LED lit? Turn the eSense Muscle off once (5s pressure on the black switch 1) and then, when the LED has gone out, turn it on again by briefly pressing switch 1.
Page 34 Android, because then no access can be made through the web app or mobile app. If you have done so, disconnect entirely. If you still have problems with the Bluetooth connection, please try another device to rule out general issues with your PC, smartphone, tablet.
Page 35: Technical Data About The Mindfield Esense Muscle
Technical data about the Mindfield eSense Muscle Bluetooth Bluetooth version: 5.0 Low Energy, downward compatible up to 4.0 Frequency range: 2402-2480 MHz Data rate (up to): 2 Mbps Several channels: Channel spacing: 2 MHz Antenna type: Integrated antenna Antenna Gain:...
Page 36 Muscle: • Two-channel EMG biofeedback device • Bluetooth 5.0 transmission to PC or smartphone/tablet (Android and iOS) • Fixed Li-Ion battery 1600mAh for up to 12h continuous operation • Two bipolar EMG inputs (CH1+, CH1-, CH2+, CH2-); one Analog Ground •...
Page 37 • 200mV differential measuring range per channel • 0.024 μV ADC resolution per LSB • < 1.7 μV RMS noise BP1 • < 1.3 μV RMS noise BP2 • < 0.8 μV RMS noise BP3 • Channel 1 and 2 CMRR at 50Hz and 60Hz: better -105dB •...
Page 38: Ec Declaration Of Conformity For The Mindfield Esense Muscle
EC Declaration of Conformity for the Mindfield eSense Muscle According to the following guidelines: 2014/30/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 26 February 2014 on harmonizing the laws of the Member States relating to electromagnetic compatibility. RoHS substance bans (2011/65/EU) WEEE Waste Electrical and Electronic Equipment (2002/96/EC &...
Page 39 "Mindfield® eSense Muscle" follows the provisions of the guidelines identified above and their amendments in force at the time of the declaration. The following harmonized standards have been applied: DIN EN 62368-1:2016-05 Equipment for audio and video, information and communication technology - Part 1: Safety requirements DIN EN 61326-1;...
Page 40 (IEC 61326-2-2:2012); German version EN 61326-2-2:2013 Location: Gronau, 05 May 2021 The Mindfield eSense must be disposed of as electronic waste following legal requirements. WEEE Reg.
Page 42 Mindfield® Biosystems Ltd. Hindenburgring 4 D-48599 Gronau Ph: + 49 (0)2565 406 27 27 Fax: + 49 (0)2565 406 27 28 E-mail: info@mindfield.de...