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How painful is the biopsy check to determine exact total body muscle profile ?

Anybody took it ?

What kind of biopsy is being done? I’ve had a punch biopsy (actually 15)for research projects. If you keep the muscle relaxed its not painful at all. I’ve heard the other type of biopsy where they make an incision and cut out muscle isn’t that painful either, but haven’t had it done.

ye i think its the incision , to check fiber ratios…