Table 1.
Mean and standard-deviation of outcome measures for each group before (pre) and after (post) the intervention period.
microPJT (n=17)
regPJT (n=17)
Control (n=17)
SJ (cm)
Pre
31.4 ± 2.5
31.0 ± 2.8
30.5 ± 1.5
Post
33.0 ± 1.8#
33.1 ± 1.6#
30.9 ± 1.1
Post–Pre (%)
5.1
6.8
1.3
CMJ (cm)
Pre
32.9 ± 2.4
32.8 ± 2.6
31.6 ± 1.5
Post
34.3 ± 2.0#
34.9 ± 1.8#
31.9 ± 1.4
Post–Pre (%)
4.3
6.4
0.9
RSI (ms/ms)
Pre
1.08 ± 0.16
1.11 ± 0.08
1.08 ± 0.11
Post
1.21 ± 0.11#
1.24 ± 0.08#
1.11 ± 0.07#
Post–Pre (%)
12.0
11.7
2.8
10-m sprint (s)
Pre
1.75 ± 0.04
1.74 ± 0.03
1.76 ± 0.04
Post
1.72 ± 0.03#
1.71 ± 0.02#
1.76 ± 0.03
Post–Pre (%)
-1.7
-1.7
0.0
CMJ: countermovement jump; micro: microdosing; PJT: plyometric jump training; reg: regular; RSI: reactive strength index; SJ: squat jump; # within-group (post-pre) significantly different (p < 0.05).