[quote]skidmark wrote:
How many vertebrae were fused? Fewer leaves you with greater range of movement, more limits your range of movement.
Not that it is that important though, as that area is not meant to move a whole heck of a lot to begin with.
He can essentially do any exercise that allows you to keep you lower back in normal lordosis - which is darn near everything.
I know a man with 7 vertebrae fused completely and he’s flinging 70 lb kettlebells around on a regular basis. And no namby pamby oldster rountine either.
The real problem is likely going to be his weight, body composition and diet.
Has he been completely sedentary? If so - he’ll need to work on strengthening his joints with frequent, low-intensity bodyweight exercise. Things like calesthenics, but only for a few reps, but often until his body begins to remember that it needs muscle and tendon…[/quote]
That’s cool. I didn’t realize that the fusion was not that detrimental to lifting. I’m still going to have him talk to his doctor, as there may be other things that I don’t know about that might warrant more caution, anyway.
He’s been mostly sedentary. He works at home doing IT, and the most activity he gets is working out in his yard. He lives in North Carolina, though, so he’s able to get outside most of the year.
I’m proud of him, though. He asked me if he was a guinea pig, and I explained that I was helping him out A) because I wanted to help a friend, and B) I need experience if I’m ever going to be a trainer. He laughed, and said that, in that case, once his job situation stabilizes, he’ll get a gym membership. He just needs to know if he’s staying in NC, or moving to Texas, before he throws money into a gym.
He also told me that his walks have been increasing in distance (not time), and that he’s starting to feel really good after them. So, some progress, and I think it’s enough to show him that, yes, exercise is a GOOD thing. 
As far as his diet, he admitted he hasn’t been keeping his food log, but he started a new one yesterday and is going to record a week for me to analyze. At least he’s making the first steps. I think he’ll do fine!