Background: The present study was carried out with a view to investigate the effects of swimming combined training on lipid profiles in male adolescent swimmers.

Methods & Materials: The study followed a pre test and post test design without control group. The study was conducted in the YMCA college of Physical Education, Chennai for a period of two months. The students included in the study are 18 male adolescent swimmers of age group 13 to 15 years who were inmates of YMCA sports school hostel .The students height, weight was taken and BMI calculated  and Lipid profile was taken before at the beginning of the aerobic training period and finally at the end of the study period of two months with their consent.

Result: There was a significant increase in height, weight, BMI and HDL ,VLDL and triglycerides when compared to Total Cholesterol and LDL , after two months. The statistical procedures were performed with help of the statistical package namely IBM SPSS Statistics-20. The P values less than or equal to 0.05 (P≤ 0.05) were fixed as level significance and treated as statistically significant. 

Conclusion: Regular monitoring of the biochemical variables of the swimmers is essential optimize their general health, metabolic and cardiovascular status which has direct relation with their performance.        

Keywords: Swimmers, BMI,  Lipidprofile. Aerobic training.

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