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An investigation of the association between grip strength and hip and knee joint moments in older adults

Samuel, Dinesh and Rowe, Philip (2012) An investigation of the association between grip strength and hip and knee joint moments in older adults. Archives of Gerontology and Geriatrics, 54 (2). pp. 357-360. ISSN 1872-6976

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Abstract

Grip strength is a predictor of health outcomes but with differing rates of age-related decline in muscle strength, it is unclear whether handgrip is a reliable indicator of lower limb moments. This study investigated the relationship between grip strength and lower extremity moments in community-dwelling older adults. Eighty-two healthy volunteers aged 60-82 years (mean age 73.2 years) performed maximal voluntary contractions of knee and hip extensors and flexors at three positions and at neutral position for hip abductors and adductors using a custom-built dynamometer. Grip strength was measured using an electronic Jamar dynamometer. The relative reduction in muscle strength of 80s age category compared to 60-year-olds ranged from 14% for grip strength to 27% for hip abductors. Peak torque of flexors and extensors of the knee and hip joints were significantly correlated with grip strength and Pearson's correlation coefficients ranged from 0.56 to 0.78 with the highest correlations observed between knee moments and grip strength. "Good" correlation was found but only 31-60% of the variation in grip strength could be related to changes in joint torques. Hence the assumption that grip strength is an indicator of strength in the lower limb would seem unjustified in the healthy older adult.

Item type: Article
ID code: 37369
Notes: Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Keywords: grip strength , sarcopenia , muscle strength , hip moment , knee moment , Bioengineering, Gerontology, Health(social science), Geriatrics and Gerontology, Ageing
Subjects: Technology > Engineering (General). Civil engineering (General) > Bioengineering
Department: Faculty of Engineering > Bioengineering
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 03 Feb 2012 16:26
Last modified: 27 Mar 2014 09:57
URI: http://strathprints.strath.ac.uk/id/eprint/37369

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