To settle what had become a fiery debate among scientists, highlights of which include a vapor bubble formation theory penned in 1947, a team of international researchers pulled fingers under magnetic resonance imaging (MRI) scanners. They needed someone capable of cracking knuckles on command, and chiropractor Jerome Fryer, who is capable of cracking the knuckles in every finger, again and again after sufficient recuperation time, shared his expertise. It was Fryer himself who had approached lead author Greg Kawchuck of the University of Alberta, Canada with a new theory on knuckle cracking, and they decided to conduct the study together.
via Health News Headlines - Yahoo News http://ift.tt/1HbcDOw
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