Targets butt and hamstrings
- Lie faceup on floor with knees bent 90 degrees and feet resting on a stability ball or the seat of a sturdy chair. MAKE IT HARDER: Position yourself at arm's distance from a wall behind you and press palms into wall.
- Lift hips so that body forms a straight line from knees to shoulders. Slowly lower spine to floor, one vertebra at a time. Repeat.