EE AND HIS PARTNER WERE JACK LEGGING WHILE COLLARING A HOLE, ROCK CAME LOSOE AND PUSHED THE JACKLEG STEEL BACK CAUSING THE JACKLEG TO FALL BACK WHICH HE REFLECTED IT WITH RIGHT ARM. THE ACCIDE NT HAPPENED ON 1-4-02 EE SEEN DR FOR TEAR IN ROTATOR CUFF ON 5-2-02 HIS 2ND DAY OF HIS REGLUAR SHIFT. EE WORK FOUR ON AND FOUR OFF.