Table 6.

Serum levels of CK and LDH.

Muscle Damage		T0	T1	T2	p-Value	ES T0-T1 – T0-T2 – T1-T2	Time × Position
CK (IU/L)	Forwards	771.70 ± 389.37	721.90 ± 532.42	452.80 ± 327.88	0.050 £	0.13 – 0.82 – 0.51	0.215
	Backs	927.57 ± 690.50	928.29 ± 786.47	1162.43 ± 748.11 *	0.754	0.01 – 0.34 – 0.30
	TG	835.88 ± 519.93	806.88 ± 634.32	745.00 ± 632.41	0.902	0.06 – 0.17 – 0.10
LDH (IU/L)	Forwards	257.10 ± 45.66 *	192.80 ± 46.62	209.70 ± 33.69	0.001 ‡£	1.41 – 1.04 – 0.36	0.001
	Backs	193.86 ± 27.05	184.29 ± 42.41	262.57 ± 58.36 *	0.003 £⸹	0.35 – 2.54 – 1.85
	TG	231.06 ± 49.76	189.29 ± 43.77	231.47 ± 51.33	0.001 ‡⸹	0.84 – 0.01 – 0.96

Mean ± SD reported for forwards, backs and total group, CK: Creatine kinase, LDH: Lactate dehydrogenase, TG: Total group, ES: Effect size, ‡: Significant differences between T0-T1 (p < 0.05), £: Significant differences between T0-T2 (p < 0.05), ⸹: Significant differences between T1-T2 (p < 0.05), *: Significant differences between forwards and backs (p < 0.05).