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Which nutritional factors help preserve muscle mass, strength and performance in seniors?
Date:1/18/2013

January 17, 2013--Nyon, Switzerland

Sarcopenia, or the gradual loss of muscle mass, is a common consequence of ageing, and poses a significant risk factor for disability in older adults. As muscle strength plays an important role in the tendency to fall, sarcopenia leads to an increased risk of fractures and other injuries.

The International Osteoporosis Foundation (IOF) Nutrition Working Group has published a new review which identifies nutritional factors that contribute to loss of muscle mass, or conversely, are beneficial to the maintenance of muscle mass. The Group reviewed evidence from worldwide studies on the role of nutrition in sarcopenia, specifically looking at protein, acidbase balance, vitamin D/calcium, and other minor nutrients like B vitamins.

"The most obvious intervention against sarcopenia is exercise in the form of resistance training," said Professor Jean-Philippe Bonjour, co-author and Professor of Medicine at the Service of Bone Diseases, University of Geneva. "However, adequate nutritional intake and an optimal dietary acid-base balance are also very important elements of any strategy to preserve muscle mass and strength during ageing."

The review discusses and identifies the following important nutritional factors that have been shown to be beneficial to the maintenance of muscle mass and the treatment and prevention of sarcopenia:

Protein:

Protein intake plays an integral part in muscle health. The authors propose an intake of 1.01.2 g/kg of body weight per day as optimal for skeletal muscle and bone health in elderly people without severely impaired renal function.

Vitamin D:

As many studies indicate a role for vitamin D in the development and preservation of muscle mass and function, adequate vitamin D should be ensured through exposure to sunlight and/or supplementation if required. Vitamin D supplementation in seniors, and especially in institutionalized el
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Contact: L. Misteli
info@iofbonehealth.org
41-229-940-100
International Osteoporosis Foundation
Source:Eurekalert

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