The effects of exercise on blood lipids and lipoproteins

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Abstract
Oss all types of subjects, treatments, sources, and research designs, the average exercising subject was found to have a reduction in total cholesterol of 10 mg·dl-1 (P>0.01), total triglyceride decreased by 15.8 mg·dl-1 (P>0.01), HDL-C increased by 1.2 mg·dl-1 (NS), LDL-C decreased by 5.1 mg·dl-1 (P>0.05), and total/HDL-C ratio showed a large decrease of 0.48 (P>0.01). None of the changes for the control groups were significant. Initial levels of total cholesterol, total triglyceride, HDL-C, and total/ HDL-C ratio were strongly correlated with their respective changes as a result of training, regardless of the data partitioning. Higher initial levels of total cholesterol, total triglyceride, and total/HDL-C ratio resulted in greater decreases post-exercise (r=0.48, 0.76, and 0.75, respectively; P>0.01), and lower initial levels of HDL-C resulted in greater post-exercise increases (r=0.50; P>0.01). Overall, physical training seemed to produce beneficial changes in blood lipids and lipoproteins. However, researchers must be careful when examining the relationship between physical training and serum lipids and lipoproteins because initial levels, age, length of training, intensity, VO2max, body weight, and percent body fat have been shown in this meta-analysis to interact with exercise and serum lipid and lipoprotein changes. ©1983The American College of Sports Medicine...

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