As many as 54% of people regularly crack their knuckles, producing distinctive popping sounds. This occurs when gas bubbles in joint fluid burst as the space in the joint temporarily enlarges. Concerns about knuckle cracking related to arthritis are unfounded, as studies show no difference in arthritis incidence between those who crack their knuckles and those who do not. Risk factors for osteoarthritis include joint trauma and previous arthritis. Maintaining a healthy lifestyle can help reduce the risk of developing osteoarthritis.
Kimme Hyrich explains that the sound of knuckle cracking comes from bubbles forming and bursting in the joint fluid when the space temporarily enlarges.
Research has shown no difference in arthritis risk between habitual knuckle crackers and non-crackers, indicating that knuckle cracking does not harm the joints.
Joint trauma, such as injuries from sports or preexisting arthritis, contributes to the risk of developing osteoarthritis, rather than the act of knuckle cracking itself.
Maintaining a healthy lifestyle is crucial for lowering the risk of osteoarthritis, according to Hyrich, who emphasizes the importance of health in joint care.
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