Normative static grip strength of Saudi Arabia's population and influences of numerous factors on grip strength

Alrashdan, Abdalla and Almobarek, Malek and Ghaleb, Atef M. (2021) Normative static grip strength of Saudi Arabia's population and influences of numerous factors on grip strength. Healthcare, 9 (12). 1647. ISSN 2227-9032 (https://doi.org/10.3390/healthcare9121647)

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Abstract

Most daily tasks require exerting static grip strength which can be challenging for the elderly as their strength diminishes with age. Moreover, normative static grip strength data are important in ergonomics and clinical settings. The goal of this study is to present the gender, age-specific, hand-specific, and body-mass-index-specific handgrip strength reference of Saudi males and females in order to describe the population’s occupational demand and to compare them with the international standards. The secondary objective is to investigate the effects of gender, age group, hand area, and body mass index on the grip strength. A sample of 297 (146 male and 151 female) volunteers aged between 18 and 70 with different occupations participated in the study. Grip strength data were collected using a Jamar dynamometer with standard test position, protocol, and instructions. The mean maximum voluntary grip strength values for males were 38.71 kg and 22.01 kg, respectively. There was a curvilinear relationship of grip strength to age; significant differences between genders, hand area, and some age groups; and a correlation to hand dimensions depending on the gender.

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