Table 1 Determination of levels of myoglobin, creatine kinase, lactate dehydrogenase, troponin T, troponin I and α‐actin in serum.

	Injured non‐sportspeople (group A)	Injured sportspeople (group B)	Uninjured sportspeople (group C)	Uninjured non‐sportspeople (group D)
Myoglobin (ng/ml)	891.8 (154.4)	50.2 (6.7)	41.2 (2.1)	28.8 (3.2)
CK (IU/l)	2041.9 (382.01)	138.3 (12.6)	240.8 (17.8)	105.5 (18.08)
LDH (IU/l)	542.2 (35.3)	304.1 (11.8)	298.3 (11.04)	51.3 (4.7)
TnI (ng/ml)	0.035 (0.005)	0.016 (0.001)	0.017 (0.001)	0.021 (0.003)
TnT (ng/ml)	0.047 (0.013)	0.047 (0.017)	0.007 (0.001)	0.007 (0.004)
α‐Actin (μg/ml)	37.4 (1.3)	10.4 (1.8)	3.9 (0.7)	0.2 (0.03)

CK, creatine kinase; LDH, lactate dehydrogenase; TnI, troponin I; TnT, troponin T.

All data are expressed as means (SEM).