EMPLOYEE WAS PERFORMING AN ELECTRICAL INSPECTION ON A SERVICE TRUCK. EE HAD TO REMOVE THE MIG BOX FROM THE SERVICE TRUCK IN ORDER TO CHECK THE GROUND. EE WAS ON EE'S KNEES PUTTING THE MIG BOX BACK INTO PLACE WHEN EE FELT PAIN IN EE'S RIGHT ELBOW & BICEP. EMPLOYEE'S PHYSICIAN HAS NOW PERSCRIBED PHYSICAL THERAPY. THIS IS THE REASON WE ARE NOW REPORTING THE ACCIDENT.