Target: Quadriceps (thighs)
A. Stand with your feet hip-width apart with a ball placed between your lower back and a wall. Lean back into the ball with your hands on your hips.
B. Bend your knees and lower your body toward the floor as if sitting on a chair. Your knees should not pass in front of your feet. Use your thighs to lift and lower your body. Perform 15-20 reps