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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Aerobic exercise-induced changes in body composition and blood lipids in young women

1
Faculty of Sports Biomedicine, Lithuanian Academy of Physical Education
2
Sports Center, Vytautas Magnus University
3
Faculty of Sports Education, Lithuanian Academy of Physical Education, Lithuania
*
Author to whom correspondence should be addressed.
Medicina 2010, 46(2), 129; https://doi.org/10.3390/medicina46020019
Received: 10 December 2008 / Accepted: 5 February 2010 / Published: 10 February 2010
The objective of the study was to assess changes in body composition, blood lipid and lipoprotein concentrations in 18–24-year-old women during the period of two-month aerobic cycling training.
Material and methods
. Young, healthy, nonsmoking women (n=19) volunteered to participate in this study. They were divided in two groups: experimental (E, n=10) and control (C, n=9). The subjects of group E exercised 3 times a week with intensity of the first ventilatory threshold and duration of 60 min. The group C did not exercise regularly over a two-month period of the experiment. The subjects of group E were tested before and after 2, 4, 6 and 8 weeks of the experiment. The participants of group C were tested twice with an eight-week interval.
Results
. Body weight, body mass index, body fat mass, and triacylglycerol (TAG) concentration decreased and high-density lipoprotein cholesterol (HDL-ch) concentration increased after the 8-week training program in the experimental group (P<0.05). Blood total cholesterol (Tch) and low-density lipoprotein cholesterol (LDL-ch) concentrations did not change significantly. Body weight and body mass index started to decrease after 2 weeks of the experiment, but significant changes were observed only after 6 and 8 weeks. Body fat mass was significantly decreased after 2 and 8 weeks of aerobic training. A significant increase in HDL-ch concentration was observed after 4, 6, and 8 weeks. A significant decrease in TAG concentration was observed after 2-week training. No significant changes in all the parameters except TAG (it was slightly increased) were seen in the control group.
Conclusions
. The two-month aerobic cycling training (within VT1, 60-min duration, three times a week) may induce significant changes in the parameters of body composition – body weight, body mass index, body fat mass, and blood lipids – in young women. The following significant changes were observed: TAG level decreased after 2 weeks, body mass and body mass index decreased after 6 weeks, body fat mass decreased and HDL-ch level increased after 8 weeks. Peak oxygen uptake increased after 4 weeks.
Keywords: aerobic training; cycling ergometry; body composition; blood lipids aerobic training; cycling ergometry; body composition; blood lipids
MDPI and ACS Style

Stasiulis, A.; Mockienė, A.; Vizbaraitė, D.; Mockus, P. Aerobic exercise-induced changes in body composition and blood lipids in young women. Medicina 2010, 46, 129.

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