A member asked:

What actually happens when you crack your knuckles?

A doctor has provided 1 answer
Dr. Charles Kattuah answered

Specializes in Dentistry

Popping air bubbles: The sound of knuckles cracking is nothing more than air bubbles in the joint fluid popping. There is no proof that it is harmful.

Answered 9/28/2016

5.7k views

Thank

Related Questions

A member asked:

What makes that cracking sound we make when we crack our knuckles?

A doctor has provided 1 answer

A member asked:

Kid in class cracks knuckles. I hate it. What to do?

A doctor has provided 1 answer

A member asked:

My knuckles crack every time i make a fist. Is this bad?

A doctor has provided 1 answer

A member asked:

Why is it that my knuckles crack every time i make a fist?

A doctor has provided 1 answer

Online Primary Care Doctors Accepting New Patients

$44 video appointments available today with a membership as low as $15/month

Book a Video Appointment
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question