Table 3.
Descriptive statistics (mean and standard-deviation) of the physical fitness measures pre and post-intervention.
HIIT pre (n=15)
HIIT post (n=15)
PJT pre (n=14)
PJT post (n=14)
HIIT+PJT pre (n=14)
HIIT+PJT post (n=14)
Control pre (n=15)
Control post (n=15)
CMJ (cm)
32.6±1.6
32.6±1.6
32.1±1.3
32.9±0.9
32.6±1.1
33.0±1.3
32.0±0.8
30.5±1.1
YYIRT (m)
2482.7±242.6
2501.3±220.2
2434.3±326.8
2324.3±288.6
2482.9±233.0
2230.7±315.7
2472.0±353.7
2230.7±315.7
30-m sprint (s)
4.14±0.03
4.16±0.03
4.14±0.03
4.15±0.02
4.14±0.04
4.16±0.04
4.14±0.03
4.20±0.02
CMJ: countermovement jump; YYIRT: Yo-Yo Intermittent recovery test level 1; HIIT: high-intensity interval training; PJT: plyometric jump training