The THERABAND FlexBar provides simple, effective and high-quality treatment for elbow pain and strength building. Ridged, durable rubber allows for an easy grip and motor control. It aids tennis elbow, tendonitis, and other upper extremity injuries. The FlexBar is clinically proven to reduce elbow pain by 81%, and increase strength of tendons by 72% for tennis elbow patients. The FlexBar is also used for forearm and grip strengthening exercises that tone and build muscles.