Table 4.

The indices of participants’ muscle damage by period of the training macrocycle.

Variable	Period	AF (n = 11)	SP (n = 11)	A mixed ANOVA	Eta squared
MDA, μmol/l	PP	6.28 ± 1.02	4.80 ± 0,70†	GE: F1,20 = 16.57, p < 0.001	η2 = 0.45
	CP	6.26 ± 1.28	4.70 ± 0.78†	PE: F2,40 = 4.81, p < 0.01	η2 = 0.20
	TP	6.89 ± 1.85	5.91 ± 1.09	INT: F2,40 = 0.58, p = 0.56	η2 = 0.03
CK, U/l	PP	306.92 ± 95.37	263.94 ± 122.76	GE: F1,20 = 0.67, p = 0.42	η2 = 0.03
	CP	271.13 ± 102.17	293.89 ± 78.73	PE: F2,40 = 1.95, p = 0.16	η2 = 0.09
	TP	293.11 ± 118.21	224.11 ± 126.37	INT: F2,40 = 0.58, p = 0.57	η2 = 0.03
LDH, U/l	PP	401.78 ± 67.89	289.99 ± 67.54†	GE: F1,20 = 21.20, p < 0.0001	η2 = 0.51
	CP	382.60 ± 63.65	276.14 ± 77.22†	PE: F2,40 = 10.42, p < 0.001	η2 = 0.34
	TP	430.52 ± 48.29	355.20 ± 5.53∗#	INT: F2,40 = 0.93, p = 0.40	η2 = 0.04

MDA – malondialdehyde, CK – creatine kinase, LDH – lactate dehydrogenase, PP – preparatory period, CP – competition period, TP – transition period, GE – group effect, PE – period effect, INT – group × period interaction effect.

The values in the table represent means (SD). ∗p < 0.05 – significantly different vs. PP; ^#p < 0.05 – significantly different vs. CP; ^†p < 0.05 – significantly different between AF and SP.