From: Effects of plyometric jump training on measures of physical fitness and lower-limb asymmetries in prepubertal male soccer players: a randomized controlled trial
PJT group (n = 13)
Control group (n = 14)
Age (years)
12.7 ± 0.2
11.8 ± 0.4*
Height (m)
155.8 ± 7.4
148.1 ± 7.3*
Body mass (kg)
47.9 ± 7.3
39.4 ± 5.3*
Maturity offset (years)
-1.6 ± 0.6
-2.5 ± 0.6*
APHV (years)
14.3 ± 0.5
14.3 ± 0.5 NS