Cited by 888Nutrition and Health in AgingMuscle Physiology and DisordersFrailty in Older Adults

An overview of sarcopenia: facts and numbers on prevalence and clinical impact

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von Haehling, Stephan, Morley, John E., Anker, Stefan D.·2010·Journal of Cachexia, Sarcopenia and Muscle

Abstract

Human muscle undergoes constant changes. After about age 50, muscle mass decreases at an annual rate of 1–2%. Muscle strength declines by 1.5% between ages 50 and 60 and by 3% thereafter. The reasons for these changes include denervation of motor units and a net conversion of fast type II muscle fibers into slow type I fibers with resulting loss in muscle power necessary for activities of daily living. In addition, lipids are deposited in the muscle, but these changes do not usually lead to a loss in body weight. Once muscle mass in elderly subjects falls below 2 standard deviations of the mean of a young control cohort and the gait speed falls below 0.8 m/s, a clinical diagnosis of sarcopenia can be reached. Assessment of muscle strength using tests such as the short physical performance battery test, the timed get‐up‐and‐go test, or the stair climb power test may also be helpful in establishing the diagnosis. Sarcopenia is one of the four main reasons for loss of muscle mass. On average, it is estimated that 5–13% of elderly people aged 60–70 years are affected by sarcopenia. The numbers increase to 11–50% for those aged 80 or above. Sarcopenia may lead to frailty, but not all patients with sarcopenia are frail—sarcopenia is about twice as common as frailty. Several studies have shown that the risk of falls is significantly elevated in subjects with reduced muscle strength. Treatment of sarcopenia remains challenging, but promising results have been obtained using progressive resistance training, testosterone, estrogens, growth hormone, vitamin D, and angiotensin‐converting enzyme inhibitors. Interesting nutritional interventions include high‐caloric nutritional supplements and essential amino acids that support muscle fiber synthesis.

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Authors
von Haehling, S., Morley, J. E., & Anker, S. D.
Affiliations
  • Applied Cachexia Research, Department of Cardiology Charité Medical School, Campus Virchow-Klinikum Augustenburger Platz 1 13353 Berlin
  • St. Louis VA Medical Center (US)
  • Istituti di Ricovero e Cura a Carattere Scientifico (IT)
Venue
Journal of Cachexia, Sarcopenia and Muscle
Publisher
Wiley
Published
2010-12
Volume
1
Issue
2
Pages
129-133
ISSN
  • 2190-5991 (ISSN-L)
  • 2190-6009
OpenAlex
W2110839189
Cited by
888
References
39
Citations by year
2026: 58 · 2025: 65 · 2024: 63 · 2023: 74 · 2022: 90 · 2021: 83 · 2020: 77 · 2019: 73 · 2018: 53 · 2017: 54 · 2016: 34 · 2015: 37 · 2014: 42 · 2013: 31 · 2012: 31
FWCI
17.97
Type
journal article
Language
en
Open access
Locations
  • Journal of Cachexia Sarcopenia and Muscle (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
Keywords
sarcopenia, muscle mass loss, muscle strength decline, aging, frailty, fall risk, sarcopenia prevalence, sarcopenia diagnosis, muscle strength assessment, walking speed, denervation, muscle fiber type shift, sarcopenia treatment, resistance training, testosterone, growth hormone, vitamin D, ACE inhibitors, dietary supplements, essential amino acids

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