THE INJURED EMPLOYEE WAS HELPING MOVE A LENGTH OF 1"" WATER HOSE TO A ROOF BOLTING MACHINE. THE HOSE WAS STUCK AROUND A CORNER SO HE PULLED HARD ON THE HOSE. HIS HAND SLIPPED OFF THE HOSE AND H E FELL BACKWARDS AND HIS LEFT LEG WAS UNDER HIS BODY AS HE FELL. THE FALL BROKE THE TIBIA AND FIBIA OF HIS LEFT LEG.