Is cracking your knuckles bad for you?

This is one of the most common medical myths. Multiple studies have found no link between knuckle cracking and arthritis. The sound is caused by gas bubbles popping in the fluid around your joints. However, habitual knuckle cracking may lead to reduced grip strength over time and can cause joint swelling in some people. It will not give you arthritis though.

This is an important general health question. We recommend speaking with your GP for personalised advice. You can also contact NHS 111 (free, 24/7) for urgent guidance, or visit nhs.uk for trusted health information. Please note: this is general health information, not a substitute for professional medical advice.