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전중선,김태선,이태임,김덕용 대한스포츠의학회 1999 대한스포츠의학회지 Vol.17 No.2
The purpose of this study was to evaluate the effect of moderate exercise training and its long-term effect on a number of immune parameters in healthy people. Ten healthy male volunteers were included in this exercise training protocol. Before and after 6 weeks of exercise training, aerobic performances were calculated by graded exercise testing using the Bruce protocol. Measurements were taken before training. post training and 1 week after the end of training for immune parameters such as concentrations of circulating leukocytes and lymphocyte subsets and natural killer cell cytotoxic activity (NKCA). Exercise training consisted of treadmill running at a work intensity of 60% of maximal oxygen uptake (VO_2max). 40 minutes per day. 3 times per week, for 6 weeks. In testing immediately after the pre-training exercise session, leukoccytes. T-cells, B-cells, and NKCA increased and the T H/S ratio decreased. Following 6 weeks of exercise training, aerobic performances had increased significantly, but concentrations of circulating leukocytes and lymphocyte subsets, and NKCA were not changed significantly in a resting state compared with pre-training values. In post-training exercise testing. B-cells and T-helper cells decreased after 30 minutes of recovery time. In testing one week after the cessation of exercise training. NKCA had increased significantly compared with the pre-training level in a resting state. In conclusion, the moderate exercise training for 6 weeks can be beneficial on immune function in healthy young people.