EE WAS HOLDING ONTO A CHAIN THAT'S USED AS A TEMPORARY HANDRAIL. THE CHAIN CAME LOOSE CAUSING EE TO FALL APPROX 8'. THE CONFINED SPACE ATTENDANT CAUGHT EE IN THE AIR BUT EE STRUCK HIS LEFT LEG ON THE LINER HANDLER. HE SAID HE WAS FINE & CONTINUED WORKING THE REST OF SHIFT. THE NEXT DAY HIS LEG WAS HURTING SO HE WENT TO THE DR WHO FOUND A SPIRAL FRACTURE.