Skip Navigation LinksHome > July 2004 - Volume 7 - Issue 4 > Muscle tissue changes with aging
Current Opinion in Clinical Nutrition & Metabolic Care:
Nutrition in wasting disease

Muscle tissue changes with aging

Volpi, Elena; Nazemi, Reza; Fujita, Satoshi

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Abstract

Purpose of review: This review article focuses on the changes that occur in muscle with age, specifically the involuntary loss of muscle mass, strength and function, termed sarcopenia. Particular emphasis is given to the metabolic alterations that characterize sarcopenia, and to the potentially treatable causes of this condition, including age-related endocrine and nutritional changes, and inactivity.

Recent findings: Recent data reported include those regarding the potential role of insulin resistance in the development of sarcopenia, the potential role of androgens and growth hormone in the treatment of this condition, the usefulness of exercise including both resistance and aerobic training to improve muscle growth and function, and, finally, the possible use of nutritional manipulations to improve muscle mass.

Summary: Sarcopenia is likely a multifactorial condition that impairs physical function and predisposes to disability. It may be prevented or treated with lifestyle interventions and pharmacological treatment. Further long-term investigations are needed, however, to ascertain what type and combinations of interventions are the most efficacious in improving muscle mass and function in older people.

© 2004 Lippincott Williams & Wilkins, Inc.

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