Physical activity on bone health

Posted by on Jan 21, 2015 in News | 0 comments

Running womanPhysical activity plays a major role in fighting obesity and management of chronic conditions such as heart disease, diabetes, high blood pressure and high cholesterol. Exercise or physical activity helps children build bones and strengthen muscles and joints. In older adults, physical activity improves strength and mobility, which in turn reduces falls and fall-related injuries.

In a recent study on premenopausal women, researchers found an increase in bone formation markers and high serum IGF-1 (positive effector on bones) in women who have more than 120 minutes of physical activity per week than sedentary women. One study was conducted on women over 65 years of age and participants were randomly placed into either the exercise group or control group. At the end of the 18 months study, researchers measured bone mineral density on both groups. It showed that women in the exercise group have higher bone mineral density than control group. Bone mineral density tells us the amount of calcium and minerals in your bones. Lower bone mineral density indicates higher risk for osteoporosis.

Furthermore, physical activity is important part of the treatment and prevention of osteoporosis. In osteoporosis, weight bearing and strengthening activities are crucial and effective. Physical therapist can help you design an exercise program that is right for you. In conclusion, any amount of physical activities would help you stay healthy and have positive impact on your bone health.

Contributed by Patricia Hsiao M.D.
Sources: medscape.com, jamanetwork.com, ncbil.nlm.nih.gov, uptodate.com

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