Normal: Cracking is normal as long as it is not associated with pain.
Answered 1/7/2014
4.6k views
Varies: Multiple possibilities. In a 21 year old, the most common issue is some generalized ligamentous laxity, which can cause some variable degrees of joint subluxation at times. Don't hesitate to be seen for it.
Answered 11/28/2017
666 views
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