will swimming work for you?
so don't kick at first... work on upper body strength and breathing first, slowly building up the leg work...
...you may also consider getting a fixed brace to prevent the ankle joint taking hits while kicking....
...come to think of it.... .... would this work?
probably not.. .actually... puts substntal pressure on the ankles for creating thrust... but you get the idea...
the make a kind of peddle chair for para paliegics that has cranks instead of pedles for your feet. That should be similar to a bicycle ,I ride bicycles and they definitly take the weight off.
swimming or a sort of exercise where you're in water, sounds like it may work for you.
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