Over-exertion in pulling or pushing objects
EE WAS TRYING TO OPEN DOOR ON LOADER LEADING TO PLACE TO CHECK TRANSMISSION FLUID-THE DOOR WAS STUCK. HE PULLED HARD ON IT AND FELT A TWINGE IN HIS LEFT NECK/SHOULDER AREA. CAME TO WORK THE NE XT DAY AND WAS IN VEY BAD PAIN BY THE END OF THE DAY. CANNOT WORK AT THIS POINT-TOO PAINFUL.