Stand behind a chair, left knee lifted and turned out (see 3B from Workout 1). Hold chair back with right hand for support. Slightly bend right knee, keeping torso lifted and abs contracted.

Maintaining slight knee bend on standing leg, contract buttocks as you press left knee and thigh back behind you, keeping thigh rotated out. (Your heel will no longer be touching the back of your leg.) Return to starting position, then repeat. Do 12-14 reps total. Strengthens glutes.