Table 2.

Changes in the performance variables after the 10-weeks intervention (mean ± SD).

	Young male football players (N = 32)
	TG (n = 15)				CG (n = 17)
	pre	post	RM t-test (p)	Δ (%)	pre	post	RM t-test (p)	Δ (%)
IAT without ball (s)	15.82 ± 0.56	15.64 ± 0.59*	p = 0.004 r = 0.675	−1.14	15.85 ± 0.43	15.82 ± 0.42	p = 0.675 r = 0.106	−0.19
IAT with ball (s)	20.27 ± 1.14	19.92 ± 1.02*	p = 0.002 r = 0.716	−1.73	20.71 ± 1.14	20.40 ± 1.15*	p = 0.023 r = 0.533	−1.5
YYIR1. distance (m)	1,830.67 ± 333.71	2,073.33 ± 325.10*	p = 0.001 r = 0.674	13.26	1,435.29 ± 381.49	1,605.88 ± 381.49*	p = 0.004 r = 0.647	11.89
VO2max (ml/kg/min)	51.77 ± 2.8	53.81 ± 2.73*	p = 0.001 r = 0.674	3.94	48.45 ± 2.87	49.88 ± 3.20*	p = 0.004 r = 0.647	2.95
	ANOVA p values (ηp2)
	time		group			group × time
IAT without ball (s)	p = 0.025, η2 = 0.157		p = 0.527, η2 = 0.013			p = 0.101, η2 = 0.087
IAT with ball (s)	p < 0.000, η2 = 0.371		p = 0.254, η2 = 0.043			p = 0.807, η2 = 0.002
YYIR1. distance (m)	p < 0.000, η2 = 0.550		p = 0.001, η2 = 0.311			p = 0.660, η2 = 0.007
VO2max (ml/kg/min)	p < 0.000, η2 = 0.583		p = 0.001, η2 = 0.309			p = 0.348, η2 = 0.029

RM, repeated measures (paired-samples t-test); IAT, Illinois agility test.

^*significant differences (p < 0.05).