Primary Muscle Group: Chest, abs, thighs.
Muscle Groups Worked in This Exercise: Anterior Deltoids, Pectoralis Major, Rectus Abdominus, Quadriceps
Preparation: Lie with your upper back, neck and head supported by the ball - place an exercise band between your back and the ball. Grasp the band in each hand and bend your elbows at 90 degrees.
Breathing: Exhale when pressing hands up, inhale as you return them to start position.