THE INJURED EE WAS PERFORMING MANUAL MATERIAL HANDLING, UTILIZING A SHOVEL AND WHEELBARROW. WHILE FILLING THE WHEELBARROW, HE HIT HIS HAND ON THE WALL CAUSING THE WHEELBARROW TO TILT. IN TRYIN G TO PREVENT THE WHEELBARROW FROM TIPPING OVER, HE PULLED A GROIN MUSCLE RESULTING IN AN INGUINAL HERNIA ON THE RIGHT SIDE.