A member asked:

Why do i make cracking sounds in my fingers, neck, knees, ankles and toes all the time? is this harmful?

3 doctors weighed in across 2 answers

Cracking: Can be caused by so many things you should check with rheumatologist . Likely arthritic bone spurs or changes. X-rays will help with diagnosis.

Answered 8/25/2013

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Dr. Vadim Glukh answered

Specializes in Orthopedic Foot and Ankle Surgery

Small bubbles pop: Implosion of small low pressure "bubbles" in the joint fluid causes that sound.

Answered 9/10/2013

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