What may be causing the cracking sound of a synovial joint

The Development of an In-vitro Model for a Cracking Joint So what creates the cracking sound when joints move? Sometimes this happens unexpectedly with joint motion, and in the case of my profession, we intend to elicit the popping sound to reduce joint pain. Interestingly, we really don't know why some joints pop and others [...]

Joint movement and the refractory period

Chiropractors often crack joints to elicit joint movement, improve the joint spacing and a multitude of other effects including improving neurological function. I personally have never liked the 'crack' word because it insinuates that something is breaking. This isn't so and prefer to call it the 'audible release'. This is a better phrase because it [...]

Alternative Hypothesis for the Sound of Manipulation

The sound of manipulation has been a curious phenomenon. Manual practitioners who treat spine and other synovial joints often treat with the intent to generate an audible release to improve health. Current belief that the sound generating phenomenon responsible for the "cracking" noise is due to a caviation process. Dr. Jerome Fryer offers an alternative [...]

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