Table 3. Descriptive statistics (Mean ± Standard Deviation) for pre- and post-training results in each group; results of two-way analysis of the variance for main effects (Group and Time) and Interaction (Group x Time), and pre- to post-training differences in percentages (%).
Plyometric-group (n = 21) Skill-based-group (n = 20) Analysis of variance (F test)
Pre- Post- % Pre- Post- % Group Time Interaction
BH (cm) 177.9 ± 5.5 177.2 ± 5.1 <0.1 175.4±7.0 176.0±7.1 <0.1 2.9 0.1 0.1
BM (kg) 61.9 ± 5.2 61.2 ± 5.4 * 1.1 58.5±7.5 58.5±7.9 <0.1 2.2 4.0 4.3 #
S20m (s) 3.80 ± 0.32 3.53 ± 0.22 * 7.6 4.15±0.27 4.10±0.30 1.2 34.7 # 15.5 # 7.3 #
SBJ (cm) 190.7 ± 22.9 205.3 ± 17.3 * 7.6 167.3±18.5 172.4±18.7 * 3.1 21.8 # 96.8 # 22.4 #
CMJ (cm) 38.0 ± 6.5 48.5 ± 5.2 * 27.6 28.9±7.2 34.1±7.1* 18.0 34.3 # 275.1 # 31.5 #
MBT (m) 6.1 ± 0.6 7.6 ± 0.7 * 24.5 5.3±0.8 5.8±0.8 * 9.4 34.5 # 166.1 # 40.2 #
BH – body height, BM – body mass, S20m – sprint over 20 meters distance, SBJ – standing broad jump, CMJ – countermovement jump, MBT – medicine ball throw# denotes F-test significance of p < 0.05* denotes pre- to post-measurement post-hoc significance of p < 0.05.