. SPORTS MEDICINE : MEDICAL: PREVENTIVE MEDICINE: Early Steps Can Protect Your Knees, Prevent Later Problems Early Steps Can Protect Your Knees, Prevent Later Problems Executive HealthAugust 07, 2010, 09:00 EST Bloomsburg
Business Week <http://www.businessweek.com/lifestyle/content/healthday/641774.html> Lifestyle changes can help stave off arthritis, surgery, doctor saysSATURDAY, Aug. 7 (HealthDay News) -- Protecting your knees when you're younger may help prevent serious problems such as arthritis and the need for knee replacement when you're older, an expert advises.
Research indicates that nearly half of adults develop arthritis in at least one knee by age 85, and the risk is even greater for obese people. Extra pounds increase the strain on knee joints, noted Dr. William J. Bryan, an orthopedic surgeon at the Methodist Center for Sports Medicine in Houston.
"Every time you take a step you apply three times your body weight to the knee. When you run it's five times, when you jump it's seven times. If you are experiencing frequent knee pain, lifestyle changes might be in order," Bryan said in a news release from the Methodist Center for Sports Medicine.
Weight loss is 70 percent diet and 30 percent exercise, he explained. "If you think you can eat the same and exercise the pounds away, you are mistaken. You have to change your attitude about the refrigerator for weight loss to happen," he said.
In terms of exercise, low-impact activities such as swimming and cycling are better for your knees than high-impact workouts such as running or aerobics. Having good core strength (abs, back and pelvis) also helps protect your knees, Bryan noted.
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