1. Sit on the machine and adjust the lever for your height. The pads should tuck under your knee and on top of the lowest part of the front of your leg. Your legs should be at a 90 degree angle. 2. Hold the handles and use your quadriceps to extend your right leg straight while keeping the rest of your body still. 3. Slowly lower your leg back to the original position.
2. Switch to your left leg.