Instructions
Adjust the machine for your height and stand with your upper back against the back pad and your shoulders underneath the shoulder pads. Hold onto the safety handles and place your feet approximately shoulder-width apart on the platform.
Disengage the safety handles and lower your body by bending at the knees until your thighs are parallel (or lower) to the ground. Push yourself back up, extending your legs to return to the start position.
Repeat for the desired number of repetitions, then engage the safety handles to lock the weight before stepping out.
Tips
To emphasise your quads place your feet lower on the platform. To emphasise your hamstrings and glutes place your feet higher. If your heels lift off the platform move your feet up slightly.

