Many Possible: Causes. Arthritis, bone spurs, tendon, narrow joint space on and on... If no pain don't worry about it.
Answered 5/17/2014
4.9k views
Lax ligaments: Possible ligament laxity is to blame some times for this: it may lead to the cracking felt or heard in the joint or even a chronic dislocating tendons causing some popping sensation on the outside of the ankle.
Answered 9/9/2013
4.9k views
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