EE originally was injured on 9/6/07. Submission #509993. He had surgery and was released to return to work on 2/5/08. On 2/20/08 he was shoveling drill clippings in a drill hole when he felt pain in the same shoulder. An M.R.I. was performed on 3/4/08, diagnosis was tendonitis, bursitis, and arthritis to the 4 muscles of the rotator cuff group from the previous injury.