Stability Ball Training: Upper Body With Robert Sherman Creatively train the upper body: chest, back, shoulders, and arms while simultaneously sculpting the abdominals using the stability ball. To access this content, you must purchase Stability Ball Training: Upper Body, OnDemand Monthly Subscription Payment Plan, OnDemand Annual Subscription, OnDemand Monthly Subscription, OnDemand 6-Month Subscription or OnDemand 2 Year Subscription or log in if you are a member.