Al White's arm wasn't even broken, but it was caught in the clam-shell doors and pretty bruised up, but he managed to free it before he ejected from the aircraft.http://tacairnet.com/2014/10/27/crash-of-the-valkyrie/
I read the survivor story in Reader's Digest at the time. Apparently the clam-shell escape module sheared off his elbow when closing for ejection...ugghhUSN3 Never forgot that for some reason.
His most serious injury was a back injury. The air bags did not inflate properly and when it hit the ground it subjected White to an estimated 43 gs.