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Effect of High-Intensity Strength and Endurance Training in the Form of Small Circuits on Changes in Lipid Levels in
Tadeusz Ambroży1, Łukasz Rydzik1, Zbigniew Obmiński2
1Institute of Sports Sciences, University of Physical Education, 31-571 Krakow, Poland.
Background:
Blood lipid profiles consist of total cholesterol (TC) and its fractions, high-density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL), non-high-density lipoprotein cholesterol (non-HDL), and triglycerides (TG). For several decades, studies have examined the effects of various factors on lipid status and its association with the risk of developing arteriosclerosis and cardiovascular disease. The beneficial effects of increased physical activity on cardiovascular health have been demonstrated by appropriate modulation of lipid profiles. For individuals with low physical activity, the literature recommends engaging in various forms of training that can improve physical fitness and resting lipid status. The aim of the study was to examine whether a specific original training program improves lipid profiles to the levels recommended for the male population.
Methods:
The study involved two equal (n = 15) groups of men (experimental and control groups, aged 35-40 years). The experimental group performed 60-min training sessions for 8 weeks (3 times a week) including a set of strength and endurance exercises. Before and after the training program, blood was drawn from both groups for serum determination of TC, HDL, LDL non-HDL, and TG, and a battery of four field physical performance tests was administered.
Results:
Statistically significant decreases (TC by 19.3%, TG by 23.7%, LDL by 15%), a non-significant decrease (10% for non-HDL), and no change for HDL were found in the experimental group. Control group showed a statistically significant decrease, by 7.4% for TC. The results confirm the effectiveness of the proposed training in improving health indices.
Conclusions:
The 8-week training program met the health-related fitness paradigm recommended for physical activity in men aged 35-40 years. After the completion of the program, all the participants expressed their satisfaction from participating in a health-promoting experiment.
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