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