The ultimate true or false: Scientific fact or fiction?

Does Cracking Your Knuckles Cause Arthritis? No, cracking your knuckles does not cause arthritis; it usually has no harmful or beneficial effect on your joints. Joint cracking is usually the outcome of a negative pressure pulling nitrogen gas into your joint. You may also notice cracking sounds when tendons snap over tissues, which usually happens when your muscle mass change with age.While it is true that knuckle cracking is not directly related to arthritis, you may still want to let go of this habit for many other reasons. If you crack your knuckles too often for a long time, you may end up developing swollen hands with reduced grip strength.