I need some suggestions for my father. He desperately needs some exercise but has terrible knees. He's been bowlegged all his life and basically has no cartilage in his knees to pad against the bones. Something like that. Anyway, some days its so bad he can't even walk. Unfortunately because of this he has put on weight, which makes it all the worse. I think if he loses some of the excess weight he'll have less pressure on his knees. But what can he do? Obviously anything high impact is out. Like I said some days he cant even walk. He has no access to a pool. I'm visiting them in Aug and was thinking I'd try and come up with some sort of plan. My current thoughts are a sort of circuit with some light walking for 5 mins, strength training with bands for 5 mins, back and forth for 30 mins. I THINK he might be able to handle that. My other thought was yoga, but don't know which tape to get that would be easy on the knees. The only yoga tape I have is Karen Voights Yogascuplt which is out of the question. I really really need your help guys, he has high blood pressure and takes all kinds of pills and I Hate to see him like this. He used to be so active. He eats great, mostly only fish or beans. Looking forward to hearing what you guys have to say!