Table 1. Descriptive data of performance and inter-limb asymmetry variables obtained during the unilateral and bilateral standing broad jump (SBJ) variants. Data are presented as means ± standard deviations.
Variable Session Unilateral SBJ Bilateral SBJ
Right leg Left leg Asymmetry (%) Right leg Left leg Asymmetry (%)
Mean force(N) 1 131.6 ± 24.4 134.4 ± 26.3 -1.7 ± 18.7 93.7 ± 17.3 94.4 ± 15.8 1.4 ± 6.2
2 134.2 ± 26.5 137.3 ± 25.4 -2.0 ± 14.5 97.2 ± 19.1 91.6 ± 19.3 3.4 ± 6.8
Mean velocity
(m·s-1)
1 0.57 ± 0.09 0.57 ± 0.08 -0.8 ± 13.2 0.66 ± 0.11 0.68 ± 0.10 -0.6 ± 6.2
2 0.57 ± 0.08 0.58 ± 0.09 -1.7 ± 12.5 0.64 ± 0.11 0.66 ± 0.10 -2.0 ± 7.6
Mean power
(W)
1 107.3 ± 26.4 109.9 ± 24.7 -2.3 ± 20.1 93.6 ± 24.1 102.0 ± 23.9 -1.9 ± 9.1
2 107.3 ± 26.0 114.7 ± 274 -5.5 ± 18.8 94.4 ± 26.7 96.9 ± 25.4 -1.7 ± 8.7
Peak force
(N)
1 242.1 ± 11.7 244.8 ± 10.1 -1.1 ± 6.2 204.4 ± 24.2 217.3 ± 21.5 -2.2 ± 4.8
2 242.6 ± 10.5 247.3 ± 9.7 -1.9 ± 5.5 215.2 ± 25.2 221.0 ± 22.6 -0.8 ± 3.6
Peak velocity
(m·s-1)
1 1.61 ± 0.21 1.63 ± 0.22 -1.5 ± 6.6 1.97 ± 0.28 2.14 ± 0.30 -3.7 ± 7.6
2 1.59 ± 0.14 1.65 ± 0.17 -3.3 ± 10.0 1.95 ± 0.26 2.12 ± 0.24 -4.7 ± 5.4
Peak power
(W)
1 358.1 ± 61.1 377.3 ± 55.7 -5.0 ± 12.5 370.0 ± 79.5 405.0 ± 65.5 -4.2 ± 10.3
2 353.1 ± 44.7 386.1 ± 50.5 -8.0 ± 12.5 380.2 ± 82.4 413.4 ± 66.3 -4.7 ± 8.4
Impulse
(N·s)
1 116.6 ± 15.9 118.7 ± 17.8 -1.5 ± 6.6 72.2 ± 13.1 76.7 ± 12.5 -2.7 ± 6.8
2 115.5 ± 16.3 120.4 ± 15.5 -4.0 ± 9.6 71.1 ± 12.3 75.9 ± 12.1 -3.8 ± 6.3