WHILE PULLING ON WRENCHES (WORKING ON A COBBER FEED PUMP) EE FELT A PULL ON HIS FOREARM AND SUBSEQUENT PAIN. HE HAD A LUMP DEVELOPE ON HIS UPPER RIGHT FOREARM. THE FOLLOWING DAY IT WAS RED & SWOLLEN. HE WAS SENT TO THE DOCTOR & PRESCRIBED PHYSICAL THERAPY. HE ALSO DEVELOPED CELLULITIS.