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:: Volume 14, Issue 6 (3-2013) ::
2013, 14(6): 572-579 Back to browse issues page
Effects of Aerobic Exercise Intensity on Energy Intake, Appetite and Energy-Regulating Hormones in Sedentary Young Women
Mohsen Ebrahimi , F Rahmani-Nia, A Damirchi, B Mirzaie
, p11ebrahimi@gmail.com
Abstract:   (10189 Views)
Introduction: The purpose of this study was to investigate the effects of low and high intensity aerobic exercises on energy intake, appetite and energy-regulating hormones. Materials and Methods: Sixteen sedentary women (age 22.50±1.46 yr, height 160±4.30 cm, weight 57.83±4.25 kg, fat percent 28.26±1.79) were randomly divided into two groups, of low (55% MHRR for 45 min/day) and high (75% MHRR for 30 min/day) intensity. All subjects participated in two experimental durations, two days apart five days control with no exercise, and five days exercise. Subjects dietary intakes were recorded using a food diary and self-weighed intakes during each of the five days. The visual analogue scale (VAS) was completed at each morning in a fasted state. Levels of acylated ghrelin, insulin, leptin, and glucose were measured in the morning on the 6th day in fasting status after control and exercise conditions. Results: No significant changes were found in absolute and relative energy intakes, level of acylated ghrelin and leptin between the two durations (p>0.05). However, insulin concentration reduced significantly after the exercise duration in the low-intensity exercise group (p=0.007). Also, the desire to eat (p=0.02) and prospective food consumption (p=0.03) increased significantly during exercise days in the high-intensity exercise group. Exercise-induced energy deficits were compensated by 23% and 14% in low and high-intensity exercise groups respectively. Conclusion: Five consecutive days exercise with low and high intensities do not create a negative energy balance and it is recommended that women need to increase energy expenditure and decrease energy intake concurrently for weight control.
Keywords: Energy Intake, Appetite, Energy-regulating hormone, Aerobic exercise
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Type of Study: Original | Subject: Exercise
Received: 2012/06/9 | Accepted: 2013/03/6 | Published: 2013/03/6
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Ebrahimi M, Rahmani-Nia F, Damirchi A, Mirzaie B. Effects of Aerobic Exercise Intensity on Energy Intake, Appetite and Energy-Regulating Hormones in Sedentary Young Women. Iranian Journal of Endocrinology and Metabolism. 2013; 14 (6) :572-579
URL: http://ijem.sbmu.ac.ir/article-1-1395-en.html

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Volume 14, Issue 6 (3-2013) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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