2 employees picking up a piece of steel (aprox. 100lb)-last of 8 that they were standing up. Come a long was used to assist employees with moving steel. Employee heard a ""pop"" in elbow. Pain through forearm. 3/2 went to Physicians and diag. with elbow strain and lateral epicondylitis - no restrict. Went to Riverside 3/9 - restrictions: <10 lb 4-6 hours, no push/pull, grip 1-2 hrs.