This Prosourcefit Flex Foam Roller Simple Fitness Tool Can Be Used To Increase Balance And Body Awareness, Core Stabilization, And Alleviate Tight Muscles With Self-Massage. After Mastering The Half-Round Foam Roller, Full Foam Rollers Can Be Used For A Variety Of Stabilization And Strength Exercises. When You’re Done Working Out, Use Them To Gently Release Trigger Points In Muscles To Improve Overall Performance.