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Table 2 Toe flexor and handgrip strength by age group

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

  Total 35–39 years 40–44 years 45–49 years 50–54 years 55–59 years Pa
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
  1. 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)