WHEN RELEASING A C-CLAMP, EMPLOYEE PUSHED THE HANDLE WITH HIS RT. THUMB. THE HANDLE DID NOT MOVE & JAMMED HIS THUMB. DID NOT SEE A DR. AT THAT TIME. 5/11/05, EE WENT TO THE DR. BECAUSE HIS THUMB WAS STILL BOTHERING HIM. NO LOST TIME OR RESTICTED DUTY. GIVEN A SPLINT TO IMMOBILIZE HIS THUMB.