He was unclogging a chute with a 4 foot rock bar. He said he felt right shoulder pop. Took him to the ER, took an x-ray. They did not see anything wrong. He called the next morning stating his arm hurt. Came in Monday for some training in the office, did not mention his arm was sore until after training. He was released to see Dr. 3/16/09. Saw Dr. 3/23/09: 2 weeks off work.