Table 3. Within- and between-group comparisons of waist-to-height ratio, body fat, sit-and-reach and horizontal jump .

		Control	Plyometric training
Waist-to-height ratio	Baseline	0.44 ± 0.03	0.44 ± 0.10
	Post-training	0.44 ± 0.01	0.45 ± 0.10
	Effect size	0.1	0.1
Body fat (%)	Baseline	16.5 ± 1.8	15.1 ± 3.2
	Post-training	16.5 ± 1.8	13.9 ± 2.9 *
	Effect size	–0.02	–0.39
Flexibility (cm)	Baseline	24.9 ± 3.7	31.6 ± 5.1
	Post-training	25.0 ± 3.7	35.6 ± 4.6 *†
	Effect size	0.01	1.99
Horizontal jump (cm)	Baseline	133.1 ± 22.4	151.1 ± 8.8
	Post-training	132.9 ± 23.0	170.4 ± 10.5 *†
	Effect size	0.02	0.81

Within-group comparisons’ effect size estimated by Cohen’s d. Data expressed in mean and standard deviation. *Within-group statistical difference (p<0.05); ^†Between-group statistical difference for the same moment (p<0.05).