Plant foreman was working on electrical box preparing for installation. Spent much of the time on his knees on ground. On his way home his right knee began to ache. Over the next couple of weeks it got more paniful & he went to Dr. on 11/12/07. It was diagnosed as a bruised bursa w/infection. Prescribed anti-biotics, recovering well.EE was not aware of any moment of injury.
U.S. Mine Safety and Health Administration