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http://www.cbsnews.com/news/the-secret- … iscovered/
Orthopedic experts examined the hands of the participants, and found that the knuckle cracking caused no apparent harm.
"We did not find any swelling or any loss in grip strength in people who were knuckle crackers versus those who weren't knuckle crackers," Boutin said.
In addition, researchers found that knuckles tended to enjoy a significant increase in range of motion after they'd been cracked, Boutin said.
"Maybe that's why people feel better after cracking their knuckles," he said. "It's a feeling of relief from tension caused by dissolved gas in joint fluid."
However, Boutin added that the study was not set up to examine whether knuckle cracking causes long-term damage to joints.
"Any long-term hazard or benefit would have to be studied in a different way," he said.
Being extremely vata, i have been cracking my knuckles and many other joints for decades with no noticed ill effects.
(crack, crunch, pop)
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