EE WAS SHOVELING WET, MUDDY ACCUMULATION FROM UNDER THE LONGWALL BELT TAKE-UP AREA. AS HE ATTEMPTED TO THROW A SHOVEL FULL FROM THE SHOVEL, THE MATERIAL STUCK TO THE SHOVEL & CAUSED SOMETHING TO PULL IN HIS RIGHT SHOULDER. MATERIAL WAS WET, HEAVY AND ADHERED TO THE SHOVEL CAUSING MUSCLES TO PULL IN HIS SHOULDER. NO OTHER FACTORS WERE INVOLVED.