What was the original reason for the fusions ,as shown on MRI?

I'm asking because of his history - football player, body builder and all around athlete.
Also any car accidents - whiplash etc?

It's possible that he also could have Thoracic outlet syndrome (TOS) with the sports/hits, lifting, and if any car accidents are a factor?

I'll give the link to our TOS forum useful sticky thread so you can look thru the links & info to see it it fits or not.
Post #1 is pretty much a crash course on it full of info links-
http://neurotalk.psychcentral.com/thread84.html