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3. Pro Series Machines
LOW BACK EXTENSION (ST25)
End Position
Start Position
Muscle exercised: Erector spinae, gluteus
Setup: Select desired weight. Adjust the foot plate so that with the knees bent, you
are sitting at the back edge of the cushion. Position the back pad to align with
shoulder blades.
Performing the exercise: Sit and align your hip with the pivot point. Fasten seat
belt and cross arms over chest. With chest up and shoulders back, move from the
waist, slowly pushing back the pad to the extended position. Hold the position
briefly. Slowly return to an upright position.
Using the range limiter (ST25): If the machine is equipped with a range limiter,
you may adjust the range of motion and starting pad location. Set the desired pad
location by using the number coded pull knob. Set the desired range of motion by
using the letter coded pull knob.
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