Did you ever wonder what makes the cracking sound during a chiropractic adjustment?

Did you ever wonder what makes the cracking sound during a chiropractic adjustment?
The cracking sound is caused by the formation bubble within the synovial fluid that lubricates the space between joints. "As the joint surfaces suddenly separate, there is no more fluid available to fill the increasing joint volume, so a cavity is created and that event is what’s associated with the sound.” -Greg Kawchuk, PhD.

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