Originally Posted by Stellatum

I definitely have fluctuating weakness. Sometimes I walk normally, and sometimes I can't walk at all. Often I experience both states in the same day.

But I am not sure I have muscle fatigabilty. How can I tell if my muscles are fatiguable, or if they're just weak? How can I tell whether my muscles have fatigued, or whether I'm having a spell of fluctuating weakness?

Thanks.

Abby