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Intervention Study on the Exercise Order of combined Aerobic ＆ Resistance training in the Elderly

Journal of Sports Science 2017年第6期5卷 322-331页

作者： Yoko Shiotsu Masahiko Yanagita Graduate school of Health and Sports Science Doshisha University 1-3 Tatara Miyakodani Kyotanabe Kyoto 610-0394 Japan Faculty of Health and Sports Science Doshisha University 1-3 Tatara Miyakodani Kyotanabe Kyoto 610-0394 Japan

When combined aerobic and resistance training into the same session is performed, the exercise order may lead to different effects with respect to factors such as muscle strength, hormone responses, energy metabolism, and vascular function. The purpose of this study was to examine the effects of exercise order of combined aerobic and resistance training into the same session on body composition, muscle strength and arterial stiffness in the elderly. Thirty-one elderly subjects （70.5 ± 3.5 years） were randomly assigned to 3 groups; AR： aerobic before resistance training, RA： resistance before aerobic training and CON： no training. Subjects trained 2 times per week for 10 weeks. Resistance training consisted of 3 sets of 8-12 repetitions for 5 different exercises, 70%-80% of one repetition maximum （1RM）. Aerobic exercise consisted of cycling at 60% of heart rate reserve （HRR）. Significant interaction effects were observed in body fat percentage （P 〈 0.01） and 1RM （P 〈 0.01）. However, no significant differences were observed between AR and RA. In contrast, pulse wave velocity （PWV） significantly reduced in the RA （8.8± 2.1 m/s to 7.6 ± 1.9 m/s, P 〈 0.05）, while PWV increased in the AR （7.9 ± 2.8 m/s to 10.0 ± 2.6 m/s, P 〈 0.01）, and there was significant difference between AR and RA （P 〈 0.05）. In conclusion, no effects of the exercise order were observed in body composition and muscle strength. However, aerobic exercise after resistance training reduced arterial stiffness and difference of exercise order was observed.

关键词： combined training exercise order arterial stiffness muscle strength the elderly

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What is the most effective exercise protocol to improve cardiovascular fitness in overweight and obese subjects？

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Journal of Sport and Health Science 2017年第4期6卷 454-461页

作者： Eliane Aparecida Castro Ana Belen Peinado Pedro Jose Benito MercedeS Galindo Marcela Gonzalez-Gross Rocio Cupeiro Department of Health and Human Performance Faculty of Physical Activity and Sport Sciences Universidad Polit~cnica de Madrid Madrid 28040 Spain LFE Research Group Universidad PolitOcnica de Madrid Madrid 28040 Spain Faculty of Physical Activity and Sport Sciences Universidad Politecnica de Madrid Madrid 28040 Spain ImFINE Research Group Universidad PolitOcnica de Madrid Madrid 28040 Spain

Background: Increased peak oxygen consumption(VO2 peak) can reduce cardiovascular risks associated with obesity. Our aim was to analyze the effect of a weight loss program on cardiovascular fitness in overweight(W) and obese(O) ***: One hundred and sixty-seven subjects(77 males and 90 females), aged 18–50 years, performed a modified Bruce protocol before(pre)and after(post) a weight loss program of 24 weeks. This program combined physical training(strength, S; endurance, E; combined strength + endurance, SE; or physical activity recommendation, PA) 3 times per week, with a 25%–30% caloric restriction ***: VO2 peak improved in overweight and obese males(pre and post values in L/min, respectively; W = 3.2 ± 0.6 vs. 3.7 ± 0.5, p < 0.001;O = 3.6 ± 0.6 vs. 3.8 ± 0.6, p = 0.013) as well as in overweight females(2.0 ± 0.3 vs. 2.3 ± 0.4, p < 0.001). VO2 peak in the first ventilatory threshold(VT1) increased for all 4 interventions in males(p < 0.05), except for S in the obese group(1.6 ± 0.2 vs. 1.7 ± 0.3, p = 0.141). In females, it increased in E(0.9 ± 0.2 vs. 1.4 ± 0.3, p < 0.001), SE(0.9 ± 0.2 vs. 1.2 ± 0.4, p = 0.003), and PA(0.9 ± 0.1 vs. 1.2 ± 0.2, p = 0.006) in overweight groups. Time-to-exhaustion improved in all subjects except for females in PA group(15.7 ± 0.3 min vs. 15.9 ± 0.3 min, p = 0.495).Conclusion: Our results suggest that all methods, including the recommendation of physical activity, can improve cardiovascular fitness in overweight subjects and obese males.

关键词： combined training Endurance training Obesity Oxygen consumption Physical activity Strength training Ventilatory threshold

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