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Revista médica de Chile

Print version ISSN 0034-9887

Abstract

HERNANDEZ-MARTINEZ, Jordan et al. Association of maximal voluntary isometric handgrip strength with age, gender and handedness in older people. Rev. méd. Chile [online]. 2018, vol.146, n.12, pp.1429-1437. ISSN 0034-9887.  http://dx.doi.org/10.4067/s0034-98872018001201429.

Background:

Maximal voluntary isometric handgrip strength (MVIHS) is influenced by age, sex, and handedness.

Aim:

To assess the association of MVIHS with age, sex, and handedness in older adults.

Material and Methods:

MVIHS was measured using a digital dynamometer in 60 men and 60 women aged 73 ± 6 years. Weight, height and handedness were also recorded. For analysis purposes, participants were divided into two age groups (65 to 70.9 years of age and ≥ 71 years).

Results:

A negative correlation was observed between age and MVIHS in the non-dominant (r = −0.65 and −0.59 in men and women, respectively) and dominant hands (r = −0.71 and −0.64 in men and women, respectively). When age and MVIHS were correlated in the group aged 65-70 years, a significant correlation was observed in the non-dominant (r = −045 and −0.61 in men and women, respectively) and dominant hands (r = −0.47 and −0.64 in men and women, respectively). In the group aged ≥ 71 years, a stronger correlation with age was also observed in the non-dominant (r = −0.92 and −0.90 in men and women, respectively) and dominant hands (r = −0.95 and −0.90 in men and women, respectively). MVIHS was 2.8 to 8.9% lower in the non-dominant than in the dominant hand in all age groups. MVIHS was lower in women than in men in both age groups.

Conclusions:

MVIHS declines with age (especially after 71 years of age), is higher in men than women, and higher in the dominant than the non-dominant hand.

Keywords : Frail Elderly; Geriatric Assessment; Muscle Strength; Sarcopenia; Resistance Training.

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