This is what cracking your
knuckles really looks like
According to a research article published Wednesday in the journal Plos One by
health scientists from the University of Alberta, cracking joints is from a
process called tribonucleation, where “opposing surfaces resist separation
until a critical point where they then separate rapidly creating sustained gas
cavities.” Basically, instead of the cracking sound being from rubbing bones,
or the less-worrisome popped gas bubble, it’s actually the sound of a pocket of
space forming.
Paper:
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0119470#sec015
Article:
http://www.huffingtonpost.com/2015/04/15/cracking-your-knuckles_n_7074354.html?ncid=edlinkushpmg00000030
Paper:
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0119470#sec015
Article:
http://www.huffingtonpost.com/2015/04/15/cracking-your-knuckles_n_7074354.html?ncid=edlinkushpmg00000030
corina marinescu
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