Table 2: Means and standard deviation of outcome measures for each group before (Pre) and after (Post) the intervention period.

- Control group (n=11) RT group (n=8) PJT group (n=9) ANOVA outcomes
Group
F(2, 25), p-value (ηp2)		 Time
F(1, 25), p-value (ηp2)		 Group x Time
F(2, 25), p-value (ηp2)
- Pre Post Pre Post Pre Post
Countermovement jump (W) 866±326 869±179 967±328 1115±355a 911±211 1076±210b F=1.2, p=0.3 (0.1) F=12.1, p<0.05 (0.33) F=3.2, p=0.05 (0.21)
Squat jump (W) 732±149 767±167 837±265 974±316b 834±195 941±159a F=1.7, p=0.2 (0.1) F=26.2, p<0.05 (0.51) F=2.9, p=0.07 (0.19)
Elastic index (%)* 16.8±28.1 13.9±7.6 16.5±15.6 15.6±12.9 9.3±8.8 14.0±6.3 F=0.42, p=0.7 (0.0) F=0.1, p=0.9 (0.0) F=0.3, p=0.8, (0.1)
Knee extensors strength (N) 326±68.4 367±74.0 327±68.1 415±85.0a 335±79.5 381±86.0a F=2.1, p=0.2 (0.1) F=12.4, p<0.05 (0.33) F=1.0, p=0.5 (0.1)

*: the index is calculated as: [(countermovement jump power × 100)/squat jump power]-100. RT: resistance training. PJT: plyometric jump training. ηp2: partial eta-squared. a, b: p<0.05 and p<0.01 compared to Pre, respectively.