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.