Prevalence and Trends of Handgrip Strength Asymmetry in the United States

Prevalence and Trends of Handgrip Strength Asymmetry in the United States

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DOI 10.20900/agmr20230006
刊名
AGMR
年,卷(期) 2023, 5(2)
作者
作者单位

1 Healthy Aging North Dakota (HAND), North Dakota State University, Fargo, ND 58102, USA;
2 Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, ND 58108, USA;
3 Fargo VA Healthcare System, Fargo, ND 58102, USA;
4 Department of Geriatrics, University of North Dakota, Grand Forks, ND 58202, USA;
5 Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Adelaide, 5000, Australia;
6 Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, ON K1A0K9, Canada;
7 School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON K1N6N5, Canada;
8 Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH 45701, USA;
9 Department of Biomedical Sciences, Ohio University, Athens, OH 45701, USA;
10 Division of Geriatric Medicine, Ohio University, Athens, OH 45701, USA;
11 California Pacific Medical Center Research Institute, San Francisco, CA 94107, USA;
12 Department of Epidemiology and Biostatistics, University of California-San Francisco, San Francisco, CA 94143, USA;
13 Menzies Institute for Medical Research, University of Tasmania, Hobart, 7001, Australia

Abstract
Background: Strength asymmetries are a type of muscle function impairment that is associated with several health conditions. However, the prevalence of these asymmetries among adults from the United States remains unknown. We sought to estimate the prevalence and trends of handgrip strength (HGS) asymmetry in American adults. Methods: The unweighted analytic sample included 23,056 persons aged at least 50-years with information on HGS for both hands from the 2006–2016 waves of the Health and Retirement Study. A handgrip dynamometer measured HGS, with the highest recorded values for each hand used to calculate asymmetry. Persons were categorized into the following asymmetry severity categories: (1) >10%, (2) >20.0%, and (3) >30.0%. Survey weights were used to generate nationally-representative asymmetry estimates. Results: Overall, there were no statistically significant trends in HGS asymmetry categories over time. The prevalence of HGS asymmetry in the 2014–2016 wave was 53.4% (CI: 52.2–54.4), 26.0% (CI: 25.0–26.9), and 11.7% (CI: 10.9–12.3) for asymmetry at >10%, >20%, and >30%, respectively. HGS asymmetry was generally higher in older Americans compared to middle-aged adults at each wave. In the 2014–2016 wave, >30% asymmetry prevalence was 13.7% (CI: 12.7–14.6) in females and 9.3% (CI: 8.4–10.2) in males. Some differences in asymmetry prevalence by race and ethnicity were observed. Conclusions: The prevalence of asymmetry was generally high, especially in women and older adults. Ongoing surveillance of strength asymmetry will help monitor trends in muscle dysfunction, guide screening for disablement, identify subpopulations at risk for asymmetry, and inform relevant interventions.
KeyWord
aging; epidemiology; hand strength; muscle strength; muscle strength dynamometer; muscle weakness; sarcopenia
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Ryan McGrath*,Justin J. Lang,Brian C. Clark,Peggy M. Cawthon,Kennedy Black,Jacob Kieser,Brooklyn J. Fraser,Grant R. Tomkinson. Prevalence and Trends of Handgrip Strength Asymmetry in the United States, Advances in Geriatric Medicine and Research. 2023; 5; (2). https://doi.org/10.20900/agmr20230006.

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