1 doctor weighed in:

Why do knuckles make that "cracking" noise? What makes the "cracking" sound when you crack your knuckles?

1 doctor weighed in
Dr. Gregory Hines
Family Medicine

In brief: Fluid

Shunting fluid from one part of the joint space to another makes the clicking noise of cracking your knuckles.
It is normal.

In brief: Fluid

Shunting fluid from one part of the joint space to another makes the clicking noise of cracking your knuckles.
It is normal.
Dr. Gregory Hines
Dr. Gregory Hines
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