A 16-year-old male asked:
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on my left hand if i open my hands wide and stretch it out and then close it again i hear a cracking sound on the knuckle of my thumb and feel it.why?

1 doctor answer
Dr. Julan Crane
25 years experience Pediatrics
Knuckles : Could be joints aging but if no pain no problem usually
Answered on Jun 10, 2017

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