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. 2018 Nov 2;9:1563. doi: 10.3389/fphys.2018.01563

Table 2.

Comparison among performance groups (quartiles).

Performance groups
Fast (n = 11) Average (n = 11) Slow (n = 11)
Age (years) 38.8 ± 10.7 41.0 ± 7.8 40.0 ± 8.6
Height (cm) 163 ± 7 162 ± 5 162 ± 8
Body mass (kg) 58.1 ± 7.4 57.6 ± 6.6 57.3 ± 8.6
BMI (kg.m−2) 21.7 ± 1.7 21.8 ± 1.9 21.9 ± 2.9
BF (%) 19.3 ± 2.6 20.6 ± 3.9 18.7 ± 6.6
FFM (kg) 47.0 ± 6.5 45.5 ± 4.1 46.3 ± 5.0
CSA (cm2) 120 ± 18 117 ± 14 118 ± 20
SAR (cm) 24.0 ± 8.1 22.5 ± 7.6 30.8 ± 7.2
SJ (cm) 18.6 ± 3.5 17.6 ± 3.3 17.0 ± 3.5
CMJ (cm) 19.0 ± 3.9 18.7 ± 3.9 18.0 ± 3.8
Isometric muscle strength
Right HG (kg) 30.8 ± 6.2 30.5 ± 4.0 28.0 ± 2.9
Left HG (kg) 30.8 ± 4.6 30.6 ± 4.0 28.0 ± 2.9
Back (kg) 89.8 ± 20.7 83.4 ± 10.0 75.1 ± 14.4
Back-legs (kg) 104.9 ± 26.4 94.4 ± 12.7 86.5 ± 12.6
Absolute sum (kg) 256.2 ± 54.4 238.8 ± 23.8 217.5 ± 30.8
Relative sum (kg.kg−1) 4.39 ± 0.69 4.16 ± 0.24 3.84 ± 0.58
Force-velocity test
v0 (rpm) 167 ± 20 170 ± 13 165 ± 12
F0 (N) 118 ± 22 121 ± 24 120 ± 14
Pmax (W) 503 ± 114 517 ± 81 502 ± 63
rPmax (W.kg−1) 8.59 ± 1.17 9.04 ± 1.34 8.84 ± 1.04
v0.F0−1 (rpm.N−1) 1.45 ± 0.30 1.46 ± 0.30 1.39 ± 0.24

BMI, body mass index; BF, body fat percentage; FFM, fat-free mass; CSA, thigh muscle cross-sectional area; SAR, sit-and-reach test; SJ, squat jump; CMJ, countermovement jump; HG, handgrip; v0, theoretical maximal velocity; F0, force; Pmax, maximal power in absolute values; rPmax, maximal power in relative values. Difference at p = 0.05.