Hand dexterity, not handgrip strength, is associated with executive function in Japanese community-dwelling older adults: a cross-sectional study

BMC Geriatrics
Kimi Estela Kobayashi-CuyaYoshinori Fujiwara

Abstract

An association between handgrip strength, hand dexterity and global cognition is suggested; however, it is unclear whether both hand motor functions are associated with executive function, which is important for performing daily activities. Understanding this association will help identify motor risk factors for impairment of executive function in late adulthood. We aim to investigate the relationship of handgrip strength and hand dexterity with executive function in physically and mentally healthy community-dwelling older adults. Three hundred and twenty-six older adults (287 women, mean age ± SD, 70.1 ± 5.6) underwent handgrip strength and hand dexterity tests using a hand dynamometer and the Purdue Pegboard Test (PPT), respectively. Executive function was evaluated with the Trail Making Test (TMT)-A, TMT-B and Digit symbol; global cognition was assessed with the Mini-Mental State Examination (MMSE). Age-group differences showed that the younger groups (60-64, 65-69 and 70-74) had a significant better PPT and executive function performance than the oldest group (75 and older), whereas no significant age differences were observed for handgrip strength. Multiple regression analysis adjusted for potential covariates, including M...Continue Reading

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Citations

Jul 12, 2020·Journal of Alzheimer's Disease : JAD·Sydney Y SchaeferKevin Duff
Oct 8, 2020·International Journal of Geriatric Psychiatry·Andrew HooymanSydney Y Schaefer
Feb 13, 2021·Neural Plasticity·Hui-Xian YuGuang-Qing Xu
Mar 16, 2021·Journal of Alzheimer's Disease : JAD·Salma M S El SaidSamia A Abdul-Rahman
May 13, 2021·BMC Neuroscience·Luca PetrignaAntonino Bianco
Feb 12, 2021·Dementia and Geriatric Cognitive Disorders Extra·Karin HessebergAstrid Bergland

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Statistical Package for the Social Sciences ( SPSS )

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