Learn what a difference to your body a foam roller makes!  Working with the 3-foot foam roller, multiple award-winning master instructor Lawrence Biscontini, MA, introduces you to its many uses for both home and gym.  In the first section, Lawrence shows how to use the foam roller for self-massage, called myofacial release.  Int he second section, Lawrence shows great core training exercises for the entire body in various positions.  (Equipment: 3 feet, 6" diameter foam rollers and medicine balls if possible)