Table 1 Physical characteristics and absolute and relative cross-sectional areas (CSA) of trunk and lower limb muscles in sprinters and non-sprinters

175.4 ± 5.1 [174.0, 176.8]

174.6 ± 4.7 [173.2, 176.0]

0.613

0.16

66.0 ± 5.1 [64.6, 67.4]

66.4 ± 7.2 [64.1, 68.6]

0.798

0.06

8.7 ± 1.7 [8.2, 9.1]

6.8 ± 1.8 [6.2, 7.3]

 < 0.001

1.13

28.3 ± 4.8 [27.0, 29.6]

23.5 ± 4.0 [22.3, 24.7]

 < 0.001

1.07

25.4 ± 3.3 [24.5, 26.3]

22.3 ± 3.7 [21.1, 23.4]

 < 0.001

0.91

20.5 ± 2.7 [19.8, 21.3]

16.9 ± 2.5 [16.1, 17.6]

 < 0.001

1.40

60.1 ± 7.2 [58.2, 62.0]

50.8 ± 5.8 [49.0, 52.6]

 < 0.001

1.41

77.1 ± 8.2 [74.9, 79.3]

75.6 ± 10.7 [72.2, 78.9]

0.427

0.16

46.8 ± 6.7 [45.0, 48.6]

37.7 ± 7.2 [35.5, 40.0]

 < 0.001

1.31

58.2 ± 6.3 [56.5, 59.9]

49.4 ± 8.4 [46.8, 52.0]

 < 0.001

1.22

10.9 ± 1.2 [10.6, 11.2]

10.6 ± 1.5 [10.2, 11.1]

0.367

0.20

50.5 ± 7.2 [48.5, 52.4]

44.3 ± 5.9 [42.5, 46.1]

 < 0.001

0.92

0.53 ± 0.09 [0.51, 0.56]

0.41 ± 0.10 [0.38, 0.44]

 < 0.001

1.26

1.73 ± 0.27 [1.66, 1.80]

1.43 ± 0.21 [1.37, 1.50]

 < 0.001

1.21

1.56 ± 0.18 [1.51, 1.60]

1.36 ± 0.18 [1.30, 1.42]

 < 0.001

1.10

1.26 ± 0.15 [1.22, 1.30]

1.03 ± 0.14 [0.99, 1.07]

 < 0.001

1.58

3.68 ± 0.33 [3.59, 3.76]

3.10 ± 0.30 [3.01, 3.19]

 < 0.001

1.82

4.72 ± 0.42 [4.61, 4.83]

4.60 ± 0.45 [4.46, 4.74]

0.192

0.27

2.86 ± 0.36 [2.77, 2.96]

2.29 ± 0.34 [2.19, 2.40]

 < 0.001

1.62

3.56 ± 0.31 [3.48, 3.65]

3.01 ± 0.41 [2.89, 3.14]

 < 0.001

1.55

0.67 ± 0.07 [0.65, 0.69]

0.65 ± 0.09 [0.62, 0.68]

0.291

0.24

3.09 ± 0.37 [2.98, 3.19]

2.70 ± 0.29 [2.61, 2.79]

 < 0.001

1.12