Table 3. Physical fitness measures from pre- to post-training for the non-randomized plyometric training group (NRG, n=6), randomized plyometric training group (RG, n=7), and control group (CONTROL, n=6).
|
NRG |
RG |
CONTROL |
ANOVA outcomes |
Group F(2, 16), p-value (ES) |
Time F(1, 16), p-value (ES) |
Group x Time F(2, 16), p-value (ES) |
Countermovement jump (cm) |
Pre |
24.1 ± 5.9 |
28.4 ± 8.3 |
26.2 ± 7.2 |
F=1.1, |
F=33.9, |
F=4.3, |
Post |
26.9 ± 5.8 # |
33.5 ± 8.1 #* |
27.5 ± 7.0 |
p=.4 (0.2) |
p<.001 (0.68) |
p<.03 (0.35) |
20-cm drop jump (cm) |
Pre |
19.6 ± 6.5 |
20.6 ± 5.1 |
21.5 ± 4.1 |
F=0.3, |
F=75.0, |
F=6.3, |
Post |
22.0 ± 6.0 # |
25.4 ± 5.9 #* |
23.5 ± 3.6 |
p=.8 (0.04) |
p<.001 (0.82) |
p<.01 (0.44) |
Sprint 30-m (s) |
Pre |
5.87 ± 0.51 |
5.71 ± 0.46 |
5.60 ± 0.38 |
F=0.7, |
F=121.9, |
F=4.6, |
Post |
5.48 ± 0.56 # |
5.06 ± 0.52 #* |
5.39 ± 0.39 |
p=.5 (0.09) |
p<.001 (0.88) |
p<.03 (0.37) |
Sprint 30-m ball dribbling (s) |
Pre |
7.57 ± 1.7 |
7.18 ± 1.1 |
6.82 ± 0.9 |
F=0.3, |
F=28.6, |
F=4.0, |
Post |
6.92 ± 1.6 # |
6.52 ± 1.0 #* |
6.70 ± 0.8 |
p=.8 (0.04) |
p<.001 (0.64) |
p<.05 (0.31) |
T-Test (s) |
Pre |
12.3 ± 1.1 |
12.1 ± 1.1 |
12.2 ± 0.9 |
F=0.7, |
F=134.8, |
F=8.2, |
Post |
11.0 ± 1.1 # |
10.3 ± 0.7 #* |
11.5 ± 1.1 |
p=.5 (0.08) |
p<.001 (0.89) |
p<.004 (0.51) |
# denotes significant whiting-group improvement between the pre and post intervention period.* denotes significantly greater improvement between the pre and post intervention period in the RG compared to the other groups. ES: effect size.