EE was tightening screw w/ratchet, felt slight strain in lower stomach, but didn't feel it necessary to see Dr. In March '07 he requested to see a Dr, who thought it was a recurrence of pre-existing hernia. He referred EE to surgeon, who placed EE on app. 6 wks restricted duty. Once surgeon's medical notes were rec'd (4/5/07) & reviewed it was determined this was a new hernia.