Perhaps this is one of these myths that will never die...
Weightlifting didn't stunt the growth of Yao Ming, Shaquille O'Neal, David
Robinson, Karl Malone, Sergey Federov, and many other professional athletes who started lifting when they were still teens. Arnold Schwarzenegger started lifting very
young and is now 6'1". Lou Ferrigno started working out at 14 years old at the height of 5' 9" and grew to 6' 5" - he was the tallest in his family! So the answer is no, there is no scientific evidence to support that myth, in fact, books such as the Russian, School of Height, suggest that weight training may infact stimulate growth. The latest weight training studies done on teens showed only positive effects.
Also activities such as running and jumping create forces on the body that are six to eight times one's body weight. The compression forces on his legs and spine are far
greater in running and jumping than they will ever be in squatting or pressing over head, yet people arent concerned about growth imparity when they run... So the myth is Busted!
(sources:
http://www.trulyhuge.com/news/tips63iq.htm)
__________________
And remember that great question that
Pierre-Simon Laplace and
Sir Isaac Newton,
Andrei Markov and
David Hilbert,
Richard Feynman and
Enrico Fermi,
Albert Einstein and
Edmund Halley did not come to ask throughout all of their dedication and work: "Who the hell is IMing me?"
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Re: Lifting Weights--A Likely Hormonal Response 
