Just a guess, it is a pretty serious thing to experiment with feet, if a person ends-up unable to walk, due to pain or instability of the foot. You could almost view the early surgeries as clinical trials, because it was learned that a person might be worse off afterward.
We have to use our hands constantly, but we don't have to bear weight on them. On the other 'hand', there are probably many more people motivated to get their hands functioning and presentable, again.
My orthopedic doc did mention that I might consider being a guinea pig for xiaflex to the feet, because I have mostly cords. I'm not ready for that, at this point. Should that happen, I will definitely post here.
Beth

David26:

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just a guess...LD is usually more about nodules and less about cords and contracture. Xiaflex works on cords.