The blood samples were drawn before and after training at the first day and the last day. The plasma activity of creatine kinase(CK),lactate dehydrogenase(LDH),and blood urine nitrogen(BUN),plasma ammonia,glutamine levels were determined.

• 采集运动员训练周期开始前第 1天及最后 1天训练前后的血液 ,分别测定肌酸激酶 (CK)、乳酸脱氢酶 (LDH)、血尿素氮 (BUN)、血氨 (Ammonia)及血浆谷氨酰胺(Gln)的值。