Forearm and elbow pain is common among people who participate in repetitive activities that primarily use the flexor muscles of the forearm. Weightlifters, rock climbers, mechanics and musicians (just to name a few) are far more likely to develop Repetitive Strain Injury than most people. In fact, tendonitis and carpal tunnel are some of the MOST common injuries among weightlifters due to the strain caused by the repetitive movements under heavy loads! Extensor exercises are recommended by professionals for rehabilitation of these conditions but ideally you would do yourself a HUGE favour and avoid injury in the first place! Or at least prevent an acute case from becoming chronic.