Flexibility for Mobility: Chair Based Performance With Irene Lewis-McCormick, MS, CSCS Examine increasing balance, reducting stress levels, inproving ranges of motion and ability for self-care. To access this content, you must purchase Flexibility for Mobility - Chair Based Performance, 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.