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Lead Stories: Tuesday, December 2, 2008

Strong Legs For Strong Knees

Posted November 27th, 2007 at 8:30 AM by Hariz Siddiqui

Section: Health & Fitness, Injury & Rehab, Exercise

Doctors have known for many years that having weak quad muscles (in the front of your upper legs) increases risk for damage to the cartilage in your knees. A study from Purdue University shows that strengthening these muscles slows down knee cartilage damage and may even improve knee function (Arthritis & Rheumatism, October 2006).

The researchers placed 221 adults in their sixties and seventies either on a program of strengthening their muscles in their upper legs or just moving their knees in a series of range-of- motion exercises. The subjects exercised three times per week (twice at a fitness facility and once at home) for 12 weeks. This program was followed by a transition to home-based exercise for 12 months. Older people weaken naturally with aging, but the range of motion exercisers lost more strength than those who exercised against progressive resistance. The strength training helped retain joint space, signifying that this group had less loss of cartilage.

Read the rest of this entry at our partner site: HerActiveLife.com

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Strengthen quad muscles to help your knees

Posted May 7th, 2007 at 11:30 AM by Jeanie Rebb

Section: Running & Training, Injury & Rehab, Health & Fitness, Injury & Rehab

Doctors have known for many years that having weak quad muscles (in the front of your upper legs) increases risk for damage to the cartilage in your knees. A study from Purdue University shows that strengthening these muscles slows down knee cartilage damage and may even improve knee function (Arthritis & Rheumatism, October 2006).

The researchers placed 221 adults in their sixties and seventies either on a program of strengthening their muscles in their upper legs or just moving their knees in a series of range-of- motion exercises. The subjects exercised three times per week (twice at a fitness facility and once at home) for 12 weeks. This program was followed by a transition to home-based exercise for 12 months. Older people weaken naturally with aging, but the range of motion exercisers lost more strength than those who exercised against progressive resistance. The strength training helped retain joint space, signifying that this group had less loss of cartilage.
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RUNNER’S KNEE: The Most Common Long-Term Injury for Runners

Posted October 19th, 2006 at 12:00 PM by Martin Kennedy

Section: Running & Training, Injury & Rehab

This post is written by Dr. Gabe Mirkin, M.D. and was originally published on his blog“Fitness and Health E-Zine” under the title “Runner’s Knee”.

The most common long-term running injury is runners knee, pain behind the knee cap during running. You probably have runner’s knee if your knee cap hurts when you walk or run, particularly when you walk down stairs; and it hurts a lot when you push the kneecap against the bone behind it. It usually does not hurt to pedal a bicycle.

The back of the kneecap is shaped like a triangle with the point fitting in a grove in the lower part of the bone behind it. During running, the knee cap is supposed to move up and down and not side to side. If it moves from side to side, the back of the kneecap will rub against the front bottom of the femur, the long bone of the upper leg, causing pain. Read the rest of this entry »

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