Effects of Aerobic and Speed Training Versus Active Control on Repeated Sprint Ability and Measures of Self-confidence and Anxiety in Highly Trained Male Soccer Players

Sports Medicine - Open

Table 4 Effects of aerobic and speed training versus an active control performing soccer-specific training on physical fitness and psychological parameters

		Pre-training	Post-training	Change (%)	Within group (Pη2)	Main effect of time	Group-by-time interaction
		Pre-training	Post-training	Change (%)	Within group (Pη2)	p value (Pη2)	p value (Pη2)
YO-YO test
Final velocity (km/h)	COMB-G	17.66 ± 0.69	19.46 ± 0.77	10.1	2.59	0.001 (1.88)	0.001 (1.53)
	CON-G	18.31 ± 0.93	18.48 ± 0.79	0.9	0.19
TD (m)	COMB-G	2326 ± 258.3	2994 ± 292	28.7	2.59	0.001 (1.88)	0.001 (1.56)
	CON-G	2562 ± 346.4	2633 ± 295.6	2.7	0.21
VO2 max (ml/min/kg)	COMB-G	58.44 ± 2.97	63.94 ± 3.72	9.41	1.85	0.001 (1.42)	0.001 (0.72)
	CON-G	59.95 ± 2.96	61.81 ± 3.19	3.72	0.63
RSA test
RSA TT (s)	COMB-G	47.38 ± 1.54	43.56 ± 2.32	− 7.7	2.48	0.001 (2.01)	0.001 (1.78)
	CON-G	44.69 ± 2.41	44.49 ± 1.98	− 0.4	0.08
RSA BT (s)	COMB-G	8.22 ± 0.29	7.55 ± 0.26	− 8.1	2.32	0.001 (1.60)	0.001 (1.53)
	CON-G	7.75 ± 0.40	7.73 ± 0.40	− 0.25	0.08
RSA dec (%)	COMB-G	0.77 ± 0.36	0.52 ± 0.20	− 32.4	0.68	0.008 (0.47)	0.119 (0.27)
	CON-G	0.66 ± 0.25	0.59 ± 0.22	− 10.6	0.27
Self-confidence and anxiety
SC	COMB-G	23.85 ± 3.87	31.25 ± 3.29	31.0	1.81	0.001 (1.73)	0.001 (1.60)
	CON-G	24.50 ± 5.00	24.83 ± 4.83	1.3	0.07
SA	COMB-G	15.60 ± 2.82	11.30 ± 2.56	− 27.56	1.53	0.001 (1.42)	0.001 (1.30)
	CON-G	12.61 ± 2.12	12.61 ± 2.03	0.00	0.00
CA	COMB-G	17.15 ± 4.22	11.80 ± 2.38	− 31.19	1.27	0.001 (1.06)	0.001 (0.75)
	CON-G	20.00 ± 4.68	18.89 ± 5.02	− 5.55	0.24

TD total distance, VO2 max = maximal aerobic capacity, RSATT = total time, RSABT = best time, RSA decrement = percentage. COMB-G combined aerobic and speed training, CON control group, RSA repeated sprint ability, SC self-confidence, SA somatic anxiety, CA cognitive anxiety, Pη2 partial eta-squared