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Sports Medicine
Published in: Sports Medicine 2/2014

Open Access 01-11-2014 | Review Article

Dietary Protein Considerations to Support Active Aging

Authors: Benjamin T. Wall, Naomi M. Cermak, Luc J. C. van Loon

Published in: Sports Medicine | Special Issue 2/2014

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Abstract

Given our rapidly aging world-wide population, the loss of skeletal muscle mass with healthy aging (sarcopenia) represents an important societal and public health concern. Maintaining or adopting an active lifestyle alleviates age-related muscle loss to a certain extent. Over time, even small losses of muscle tissue can hinder the ability to maintain an active lifestyle and, as such, contribute to the development of frailty and metabolic disease. Considerable research focus has addressed the application of dietary protein supplementation to support exercise-induced gains in muscle mass in younger individuals. In contrast, the role of dietary protein in supporting the maintenance (or gain) of skeletal muscle mass in active older persons has received less attention. Older individuals display a blunted muscle protein synthetic response to dietary protein ingestion. However, this reduced anabolic response can largely be overcome when physical activity is performed in close temporal proximity to protein consumption. Moreover, recent evidence has helped elucidate the optimal type and amount of dietary protein that should be ingested by the older adult throughout the day in order to maximize the skeletal muscle adaptive response to physical activity. Evidence demonstrates that when these principles are adhered to, muscle maintenance or hypertrophy over prolonged periods can be further augmented in active older persons. The present review outlines the current understanding of the role that dietary protein occupies in the lifestyle of active older adults as a means to increase skeletal muscle mass, strength and function, and thus support healthier aging.
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Metadata
Title
Dietary Protein Considerations to Support Active Aging
Authors
Benjamin T. Wall
Naomi M. Cermak
Luc J. C. van Loon
Publication date
01-11-2014
Publisher
Springer International Publishing
Published in
Sports Medicine / Issue Special Issue 2/2014
Print ISSN: 0112-1642
Electronic ISSN: 1179-2035
DOI
https://doi.org/10.1007/s40279-014-0258-7

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