Loose ligaments: Loose ligaments allow more movement in the joint. When the joint opens water vapor forms in the vacuum and makes a popping sound. No worry, put don't keep cracking them on purpose because it is annoying.
Answered 12/30/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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