EE WAS CALLED ATTSCILE DUE TO AN EMERGENCY AT HOME. AS HE WAS WALKING TO MANTRIP AND STEPPED OUT FROM #1 SHIELD A PIECE OF ROCK FELL FROM THE TOP STRIKING HIM IN THE BACK. THE ROCK MEASURED 28 ""X24""X4"". HE SAW A DR DUE TO BACK PAIN AND WAS DIAGNOSED WITH A MUSCLE STRAIN AND SCHEDULED TO SEE A SPECIALIST ON 7-8-03, WHICH ADVISED TO TAKE ONE WEEK FROM WORK, EE DID NOT BECOME ON L.T.A