EMPLOYEE BENT OVER TO UNHOOK CHAIN LOCATED APPROX. 2 FT. OFF THE GROUND. EMPLOYEE DID NOT USE ANY TWISTING MOTION WHEN HE FELT PAIN IN HIS LOWER RIGHT SIDE OF BACK AND HIP AREA. WITNESSES REPORTED THAT THE EMPLOYEE LEANED TO THE RIGHT WITHOUT TWISTING HIS UPPER BODY & DIDN'T EVEN TOUCH THE CHAIN. HIS RANGE OF MOTION SEEMED NORMAL.