Want a firm butt? Try glute bridges on a medicine ball.
Targets: Glutes, hamstrings
Lie flat on your back and place both heels on top of the medicine ball.
Push your heels down through the medicine ball and raise your hips up to a bridge position.
Lower your hips back down to the starting position.
Repeat and complete as many as you can in the recommended amount of work time.
Next: 4 key exercises for a firm bum>>
Workout from Nichelle Laus; photo credit: Dave Laus.