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http://dx.doi.org/10.5352/JLS.2012.22.4.545

Effect of Pressurization Training with Walking on Body Composition, Respiratory Function, and Cardiovascular Response in Middle-Aged Obese Women  

Choi, Hyun-Min (Department of Physical Education, Sports, and Leisure Studies, MyongJi University)
Lee, Dong-Jun (Department of Physical Education, Sports, and Leisure Studies, MyongJi University)
Publication Information
Journal of Life Science / v.22, no.4, 2012 , pp. 545-551 More about this Journal
Abstract
Pressurization walk training (PWT) with blood flow occlusion has been investigated with regard to muscle hypertrophy and physical fitness function in athletes and healthy people. However, the cardiorespiratory and cardiovascular responses of obese people to PWT are unknown. Thus, we investigated the effects of PWT on body composition (Weight, FM, LBM, %fat, BMI), cardiovascular responses (HR, SV, CO, TVC), and cardiorespiratory responses ($VO_2max$, VEmax, HRmax) in middle-aged obese women. They participated in walk training with (n=15) blood flow occlusion and cross-sectional areas of the quadriceps on both legs. Five sets of 3-min walking (5.5 km/h at 5% grade) and 1-min resting were performed twice a day, 5 days/week for 3 weeks. The results showed that the LBM was significantly increased, and decreased body weight of reducing FM, %bodyfat in PWT ($p$<0.05). For the cardiovascular response, SBP and TPR were significantly decreased ($p$<0.05), and CO increased ($p$<0.05). In addition, the $VO_2max$ and VEmax were improved through PWT. Therefore, this study suggests that the presence of obesity in middle-aged women may result in body composition, cardiorespiratory, and cardiovascular responses caused by PWT.
Keywords
Pressurization walking training; cardiorespiratory system; cardiovascular response; obesity;
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