Can someone explain this to me? I dont know what literally happens when your shoulder, knee, back etcpop. Are the bones popping or is it the joint? Whats goin on inside your body when you "pop?" Also, is it bad if you pop?
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Escaping gases: Scientists explain that synovial fluid present in your joints acts as a lubricant. The fluid contains the gases oxygen, nitrogen, and carbon dioxide.
DGuy said:http://www.cogsci.princeton.edu/cgi-bin/webwn?stage=1&word=air
Pure nitrogen as opposed to air.