6 Moves + 100 Reps = The Best Booty Burn of Your Life

Reps: 20 (10 on each side)

• Lie on your back, and place your hands on the floor for stability as you bend one leg and lift the other leg off the ground.
• Pressing your heel into the floor, lift your pelvis up, keeping your body in a stiff bridge position.
• Slowly lower your body to the floor to complete one rep.

Related: 21-Day Butt Workout Challenge