In reply to Fiona Reid:
> Pretty much everything I get up to involves being active, walking, climbing, skiing or whatever.
> I occasionally read or go to the cinema but it's something I do because the weather is bad.
> Not being able to do stuff is bad for me and anyone in the vicinity. I am a badly behaved and very impatient patient.
This rings lots of bells for me. I do have some more sedentary hobbies - darkroom stuff, knitting/crochet, sewing, reading, but they are all very much secondary to the physical things that I do. If I can't do physical things I go very slowly nuts and so does everyone who has to deal with me!