| （Department of Physical Education，Guangdong University of Foreign Studies，Guangzhou 510420，China) Abstract: In order to probe into the effects of sports dance exercising on the blood serum immunoglobulin and T-lymphocyte subset of university students, the author randomly selected 16 male and 16 female students to form an experiment group from freshmen of Guangdong Foreign Language and Foreign Trade University, who chose sports dance as an elective course, let them do a sports dance exercise for consecutive 10 weeks, 3 times a week, 40 min-utes a time, and controlled training intensity to a heart rate between 135 and 150 beats/min, selected another 16 male and 16 female freshmen to form a control group, who did not do a sports dance exercise, drew the venous blood of all the research subjects before the experiment and in the next morning after the experiment at the same time in a fasting condition, measured blood serum immunoglobulin and T-lymphocyte subset contents, and revealed the fol-lowing findings: after 10-week sports dance training, as for the male and female students in the experiment group, their blood serum immunoglobulin IgG increased very significantly (P<0.01), their T-lymphocyte subset CD4+% and CD4+/CD8+ ratio had a very significant/significant increase (P<0.01, P<0.05); their blood serum IGM showed an increasing trend, their IgA and CD8+% tended to decrease, but showing no significant change. The said findings indicated that long-term sports dance exercising can enhance body immunity functions.
Key words: sports biochemistry；sports dance；immunoglobulin；T-lymphocyte subset；university student |
