Wall Squat

A

SETUP Place a stability ball between your lower back and a wall. Lean against ball and walk feet forward, hip-width apart, until you can see your toes. Hold a 4-to 10-pound weighted ball or dumbbell in front of your rib cage, elbows bent, abs pulled in, shoulders relaxed

B

ACTION Bend knees, lowering hips until thighs are parallel to floor. Without locking knees, straighten legs to starting position and repeat. Strengthens quadriceps, hamstrings and buttocks