EE WAS GETTING INTO HIS TRUCK AT THE BEGINNING OF HIS SHIFT AND ENTERED THE CAB IN A DIFFERENT MANNER THAN WHAT HE WAS USE TO . IN DOING TO HE TOUGHT HE PULLED A MUSCLE. HE ATTEMPTED TO EXIT T HE TRUCK LATER IN THE DAY AND BEGAN TO FEEL SHARP PAIN IN HIS UPPER LEG. HE WAS EVALUATED BY A CHIROPRACTOR WHO PLACED HIM ON LIMITED DUTY.