Table 3. Descriptive statistics (Mean Â± 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 Â± 5.5

177.2 Â± 5.1

<0.1

175.4Â±7.0

176.0Â±7.1

<0.1

2.9

0.1

0.1

BM (kg)

61.9 Â± 5.2

61.2 Â± 5.4 *

1.1

58.5Â±7.5

58.5Â±7.9

<0.1

2.2

4.0

4.3 #

S20m (s)

3.80 Â± 0.32

3.53 Â± 0.22 *

7.6

4.15Â±0.27

4.10Â±0.30

1.2

34.7 #

15.5 #

7.3 #

SBJ (cm)

190.7 Â± 22.9

205.3 Â± 17.3 *

7.6

167.3Â±18.5

172.4Â±18.7 *

3.1

21.8 #

96.8 #

22.4 #

CMJ (cm)

38.0 Â± 6.5

48.5 Â± 5.2 *

27.6

28.9Â±7.2

34.1Â±7.1*

18.0

34.3 #

275.1 #

31.5 #

MBT (m)

6.1 Â± 0.6

7.6 Â± 0.7 *

24.5

5.3Â±0.8

5.8Â±0.8 *

9.4

34.5 #

166.1 #

40.2 #

BH â€“ body height, BM â€“ body mass, S20m â€“ sprint over 20 meters distance, SBJ â€“ standing broad jump, CMJ â€“ countermovement jump, MBT â€“ medicine ball throw

# denotes F-test significance of p < 0.05

* denotes pre- to post-measurement post-hoc significance of p < 0.05.