when u are jacking Off what part of Ur arm is it making it stronger?

is all of it or just the top/bottom

Answers:
I think it is the top part of the arm


you actually lose muscle!! so if you want to get stronger i suggest you stop!!
Whatever they said!!
It's actually the rotator cuff in your shoulder. I don't know that it's making it stronger so much as toning it up - y'know, lots of reps.
This is NOT a work out, it is a work it out! There is a big difference. The latter if infinantly more fun than the former. Good luck
Raiders is correct.
yea..RAIDER is right..
if by muscle u mean sperm
Why would you want to do that? Don't you guys over there have any helpers? LOL
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