Ah, how great that you have a trike. That would be the only bike your DH would be able to ride earlier than usual from this injury, I'd think, since he can't risk another fall until totally healed, and besides, putting any weight on the arm on that side is gonna be difficult for some time.

I should add that my DH is fine now too. His break was in a place that surgery was not recommended nor required, though he does have a bump on that shoulder now (it was way down on the shoulder end), and it bothered him for throwing (he played baseball back then) for quite some time. But he was super good about doing his PT and gradually brought it back to full functioning and range of motion.