Cited by 317Nutrition and Health in AgingFrailty in Older AdultsAging, Health, and Disability

Muscle strength, disability and mortality

Rantanen, T.·2003·Scandinavian Journal of Medicine & Science in Sports

Abstract

The aims of this review are to address (1) the role of muscle strength in the disablement process and (2) muscle strength as a predictor of length of life using data from prospective studies. Functional limitations, such as slow walking speed, predispose older people to disabilities. How much strength is needed for daily motor tasks such as walking varies according to other impairments present. For example, when postural balance is good, only minimum amount of strength is needed for walking. However, in the presence of balance impairment, having good level of strength may help to compensate for the deficit. Having strength well above the required level indicates reserve capacity. It was studied using data from the Honolulu Heart Program launched in 1965 among 8006 men initially aged 45–68 years, whether reserve of strength would be protective of development of future disability. All men with documented diseases at baseline were excluded from the analyses. Those men who were in the lowest third of the distribution of grip strength at baseline were at two to three times greater risk of developing disabilities assessed 25 years later compared to the highest third. It is possible that before they reach the disability level, those with greater reserve of strength may afford to lose more strength, for example following bed rest and inactivity associated with an illness. Midlife grip strength was also found to predict long‐term total mortality: those with poorer strength at baseline were more likely to die over the follow‐up period of 30 years. The association between muscle strength and disability is largely explained by biomechanical mechanisms. However, the mechanism explaining the association between muscle strength and mortality risk still remains to be explored.

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Crossref · 10.1034/j.1600-0838.2003.00298.x

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Authors
Rantanen, T.
Affiliations
University of Jyväskylä (FI)
Corresponding author
Rantanen, T.
Venue
Scandinavian Journal of Medicine & Science in Sports
Publisher
Wiley
Published
2003-01-14
Volume
13
Issue
1
Pages
3-8
ISSN
  • 0905-7188 (ISSN-L)
  • 1600-0838
OpenAlex
W2005358707
Cited by
317
References
41
Citations by year
2026: 3 · 2025: 8 · 2024: 11 · 2023: 11 · 2022: 11 · 2021: 16 · 2020: 12 · 2019: 17 · 2018: 16 · 2017: 17 · 2016: 15 · 2015: 24 · 2014: 18 · 2013: 25 · 2012: 14
FWCI
1.28
Type
journal article
Language
en
Open access
closed
Locations
  • Scandinavian Journal of Medicine and Science in Sports (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Aging, Health, and Disability
Keywords
muscle strength, grip strength, disability, mortality, functional limitations, older adults, walking speed, postural stability, reserve capacity, Honolulu Heart Program, biomechanical mechanisms
MeSH terms
Activities of Daily Living, Aging, Disability Evaluation, Humans, Mortality, Risk Factors, Muscle, Skeletal

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