Muscle metabolism, nutrition, and functional status in older adults

Paddon-Jones, Douglas and Russell, Aaron P. 2015, Muscle metabolism, nutrition, and functional status in older adults. In Watkins Bales, Connie, Locher, Julie L. and Saltzman, Edward (ed), Handbook of clinical nutrition and aging, Springer, Berlin, Germany, pp.113-124, doi: 10.1007/978-1-4939-1929-1_7.

Title Muscle metabolism, nutrition, and functional status in older adults
Author(s) Paddon-Jones, Douglas
Russell, Aaron P.ORCID iD for Russell, Aaron P.
Title of book Handbook of clinical nutrition and aging
Editor(s) Watkins Bales, Connie
Locher, Julie L.
Saltzman, Edward
Publication date 2015
Series Nutrition and health
Start page 113
End page 124
Total pages 12
Publisher Springer
Place of Publication Berlin, Germany
Keyword(s) sarcopenia
protein metabolism
muscle mass
strength and function
Summary In the last 50 years, the number of individuals over the age of 65 years in the United States has doubled. A further doubling is expected by 2030, dramatically increasing the number of adults at risk of sarcopenia, a condition characterized by an age-related loss of muscle mass with an associated reduction in physical function. A reduction in muscle mass and functional capacity is typically viewed as an undesirable, yet inevitable, consequence of aging, and in its early stages, may be easily masked by subtle lifestyle adaptations. However, advanced sarcopenia is synonymous with physical frailty and is associated with an increased likelihood of falls and impairments in the ability to perform routine activities of daily living. In many instances, the progression of sarcopenia is mirrored by a decrease in physical activity, which feeds into a vicious cycle of disuse and negative outcomes, including impaired insulin action, accelerated loss of muscle and bone mass, fatigue, impaired motor control and functional capacity, and increased morbidity and mortality.
ISBN 9781493919291
Edition 3rd
Language eng
DOI 10.1007/978-1-4939-1929-1_7
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category BN.1 Other book chapter, or book chapter not attributed to Deakin
Copyright notice ©2015, Springer
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Document type: Book Chapter
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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