Quote:
Originally Posted by rubberduckofdeath
I'll give you that, there are lots of unknowns. However, it is widely believed to be true that most muscle growth is due to this. I don't have any studies to back it up 
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Like I said, never been convinced (although I agree, this is widely held as fact) of this because of the scar tissue thing I was banging on about earlier. (maybe someone can explain why this isn't a problem)
This looks interesting, although I'm not sure I'm interested enough to shell out the 30 odd dollars for the paper.
http://www.springerlink.com/content/eclkgth9nwd9ytt2/