Table 1.

Participants characteristics in three different age groups and Unilateral Plyometric Training group (UPT), Bilateral Plyometric Training group (BPT) and Control Group (CG). Values are presented as mean ± SD.

	UPT (n=23)	BPT (n=23)	CG (n=22)
Age (years)	9.9 ± 1.8	10.0 ± 0.5	10.2 ± 1.6
Height (cm)	142.2 ± 8.7	139.2 ± 7.0	141.6 ± 10.4
Body mass (kg)	39.3 ± 8.2	36.1 ± 7.8	38.5 ± 10.6
Body fat (%)	20.7 ± 5.7	20.1 ± 6.7	19.7 ± 6.7
Years from PHV	-2.9 ± 1.2	-3.2 ± 0.9	-2.9 ± 1.2
Training experience in a soccer academy (years)	4.3 ± 2.0	3.5 ± 1.5	3.7 ± 1.2