Trigger Point MBX Massage Ball Sports Medicine : The Trigger Point MBX massage ball is a small and powerful tool to help target tough areas. You can create intense pinpoint pressure youd find from a massage therapist, on your own. Zero in on specific areas like the piriformis, pec, and calf muscles. Now myofascial release techniques become easier to do when youre traveling, at the office, or right after a tough workout at the gym or track. The ONLY massage tool designed specifically for replicating the feeling of a massage therapists elbow. Relax overworked muscles of the pec, calves, and piriformis to alleviate minor aches, pains and tension. The extra firm EVA foam and slip resistant texture compresses and grips muscle tissue. Convenient size is perfect for travel.