HOW: Starting in a standing position, take a moderate length step backwards bending that leg’s knee and using your toes to push into the ground while maintaining an upright trunk. Use the front leg’s quad muscles to push yourself back into a standing position. Alternate and repeat doing this in a dynamic motion for the prescribed amount of reps. FEEL: You should feel your thigh muscles working the most. COMPENSATION: Don’t lean too far forward as you lunge backwards. Exercise Library