Bin truck driver twisted left knee at the end of his shift. Saw Dr. on 5-20-10 and was released back to duty driving truck. 5-27-10 follow up with Dr., MRI referral and restricted duty thru 6-1-10. 6-1-10 follow up with Dr., referral to orthopedic surgeon and relased back to duty driving truck. Will update 7000-1 following appointment with orthopedic surgeion on 6-21-10.