WHILE ASSISTING WITH A SCREEN CHANGE, AND USED A JERK MOTION. THIS CAUSED DISCOMFORT IN RT ELBOW, WHICH HAD RESOLVED BY 2:30 AM WHEN HE MENTIONED IT TO THE SUPERVISOR. DENIED OFFER OF MEDICAL EVALUATION. 5-28-02 AT 2200 REPORTED TO WORK AND STATED THAT HE WAS UNABLE TO DO ANY LIFTING DUE TO SORE ARM. CLAIM FILED AND TRANSPORTED FORMEDICAL EVAL.