Knuckle-crack­ing Myth

The People's Friend - - Health -

The old wives’ tale that crack­ing your knuck­les might put you at risk of prob­lems with your joints looks likely to be un­true.

The char­ac­ter­is­tic “pop” sound made when you crack your knuck­les is due to tiny bub­bles col­laps­ing in the fluid of the joint as the pres­sure changes.

While any joint put un­der un­due pres­sure over the course of your life­time is likely to wear out faster, a study by the Uni­ver­sity of South­ern Cal­i­for­nia found no link be­tween life­long knuckle-crack­ing and a higher in­ci­dence of arthri­tis.

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