EE WAS LIFTING AND PLACING A STEEL PIPE THROUGH AN OPENING IN A WALL. THE WEIGHT OF THE PIPE AND AWKWARD POSITION THE WORKER WAS IN CAUSED A MINOR MUSCLE STRAIN TO HIS LEFT FOREARM. THE EE WAS TAKEN FOR MEDICAL ATTENTION ON 2/5/02 DUE TO PERSISTENT PAIN. EE WAS PROVIDED MEDICATION AND ALLOWED TO RETURN TO WORK WITH 40 POUND LIFTING RESTRICTION.