EMPLOYEE REPORTED THAT AS HIS HAUL TRUCK WAS BE-ING LOADED, HE WAS JOSTLED AND HIS ELBOW SLIPPEDOFF THE SHIFT TOWER AND STRUCK THE RIDERS SIDE DOOR. HE WAS EXAMINED BY THE COMPANY DR. AND RE- LEASED TO FULL DUTY. MULTIPLE SESSIONS OF PHYSI-CAL THERAPY WAS PRESCRIBED.