Age-related reduction and independent predictors of toe flexor strength in middle-aged men

Table 2 Toe flexor and handgrip strength by age group

	Total	35–39 years	40–44 years	45–49 years	50–54 years	55–59 years	P^a
N =	1401	315	198	140	343	405
Toe flexor strength (kg)	20.1 ± 6.0	21.8 ± 5.9	20.7 ± 6.3	21.0 ± 6.1	19.3 ± 5.8*‡	18.9 ± 5.8*†‡	< 0.001
Toe flexor strength/BM (kg/kg)	0.300 ± 0.094	0.329 ± 0.095	0.300 ± 0.093*	0.307 ± 0.091	0.288 ± 0.089*	0.287 ± 0.095*	< 0.001
Toe flexor strength/LBM (kg/kg)	0.386 ± 0.115	0.421 ± 0.114	0.386 ± 0.114*	0.396 ± 0.113	0.374 ± 0.110*	0.367 ± 0.114*‡	< 0.001
Handgrip strength (kg)	41.2 ± 5.7	42.1 ± 5.6	42.0 ± 5.6	41.4 ± 5.7	41.5 ± 5.7	39.8 ± 5.5*†‡§	< 0.001
Handgrip strength/BM (kg/kg)	0.616 ± 0.101	0.637 ± 0.103	0.609 ± 0.100*	0.606 ± 0.084*	0.620 ± 0.97	0.601 ± 0.103*	< 0.001
Handgrip strength/LBM (kg/kg)	0.792 ± 0.107	0.816 ± 0.106	0.786 ± 0.106*	0.782 ± 0.100*	0.803 ± 0.102	0.770 ± 0.109*§	< 0.001

Data are mean ± SD. ^a P values from ANOVA. *, †, ‡, and §, significantly different from the groups aged 35–39, 40–44, 45–49, and 50–54 years, respectively (P < 0.05)

ISSN: 1757-1146