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Take some weight off your knees—or pay the price

A 2012 study demonstrated that an increase in body mass index (BMI) increased a person’s chance of sustaining a non-contact ACL injury.

Being overweight puts you at risk for a whole host of health issues, but most people don’t think about the risk posed to their knees. The anterior cruciate ligament, or ACL, is one of the major ligaments of the knee and one of the most susceptible to injury. Injury information on more than 1,600 men and women at the U.S. Naval Academy showed that those with a higher body mass index (BMI) had a greater incidence of ACL tears. A difference in BMI of only 1.2 (25.6 versus 24.4) made the difference between having and not having this kind of injury. (To learn more about BMI, read HPRC's explanation.)

Like the adage “You don’t know what you’ve got until it’s gone,” knees are something we generally take for granted. To stay on top of your game, you need your knees. An easy way to protect them is to drop the extra weight you’re asking them to carry around.

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