نوع مقاله : مقاله پژوهشی
نویسندگان
1 استادیار فیزیولوژی ورزشی، دانشکده علوم پایه، دانشگاه صنعتی قم، قم، ایران
2 کارشناس ارشد فیزیولوژی ورزشی، دانشکده علوم پایه، دانشگاه صنعتی قم، قم، ایران.
چکیده
زمینه و هدف: سروتونین و دوپامین، انتقال دهنده های عصبی مونوآمینی مؤثر در کنترل احساسات و اشتها می باشند. هدف از مطالعه حاضر تعیین اثر 8 هفته تمرینات منتخب یوگا بر سطوح سروتونین و دوپامین زنان چاق غیر ورزشکار بود. روش تحقیق: در این مطالعه نیمه تجربی، 20 زن چاق غیرورزشکار با شاخص توده بدنی برابر و یا بیشتر از 30 کیلوگرم بر مترمربع و دامنه سنی 25 تا 35 سال، برای شرکت در تحقیق داوطلب شدند. آزمودنی ها به طور تصادفی در دو گروه مساوی 10 نفره شامل گروه کنترل (بدون فعالیت بدنی منظم) و گروه تجربی (تمرینات منتخب یوگا) تقسیم گردیدند. گروه تجربی به مدت 8 هفته، 3 جلسه در هفته و هر جلسه به مدت 60 تا 75 دقیقه تمرینات منتخب یوگا را به اجرا درآوردند. قبل و بعد از مداخله تمرینی، از همه شرکت کنندگان نمونه خونی از ورید کوبیتال در حالت 12 ساعت ناشتایی گرفته شد. سطوح سروتونین و دوپامین با روش الایزا مورد ارزیابی قرار گرفت. نتایج با استفاده از روش آزمون t زوجی و کوواریانس در سطح معنی داری 0/05>p استخراج گردید. یافته ها: اجرای 8 هفته تمرینات منتخب یوگا منجر به افزایش معنی دار در سطوح سروتونین (0/02=p) و دوپامین (0/001=p) گروه تجربی نسبت به گروه کنترل گردید. نتیجه گیری: به نظر می رسد انجام تمرینات یوگا می تواند اثرات مثبتی بر برخی انتقال دهنده های عصبی مؤثر در رفتارهای دریافت غذا و اشتها در زنان چاق داشته باشد.
کلیدواژه‌ها
عنوان مقاله [English]
Effect of a period of selected yoga exercises on serum levels of serotonin and dopamine in non-athlete obese women
نویسندگان [English]
- Mohammad Karimi 1
- Fatemeh Safapour 2
1 Assistant Professor of Sport Physiology, Faculty of Science, Qom University of Technology, Qom, Iran.
2 MSc in Exercise Physiology, Faculty of Science, Qom University of Technology, Qom, Iran.
چکیده [English]
Background and Aim: Serotonin and dopamine are the effective monoamine neurotransmitters in controlling emotions and appetite. The purpose of this study was to investigate the effect of 8 weeks of selected yoga exercises on serum levels of serotonin and dopamine in non-athlete obese women. Materials and Methods: In this quasi-experimental research, 20 non-athlete obese women with body mass index equal or greater than 30 kg/m2 and age range 25-35 years old volunteered to participate in the study. The subjects were divided randomly into two equal groups including control (regular life) and experimental (yoga exercises) groups. The experimental group did 8 weeks selected yoga exercises, 3 sessions per week and each session lasted 60-75 minutes. Before and after intervention, blood samples were collected from cubital vein at 12 h. fasting state. Serum levels of serotonin and dopamine were determined using by ELISA method. Data were analyzed using the paired t-test and ANCOVA at the significant level of pResults: Eight weeks selected yoga exercises lead to significant increases in serum levels of serotonin (p=0.02) and dopamine (p=0.0001) in experimental group while they did not change significantly in the control group. Conclusion: It seems that yoga exercises may have positive effects on some neurotransmitters affecting appetite and food intake behaviors in obese women.
کلیدواژه‌ها [English]
- Yoga
- Serotonin
- Dopamine
- Non-athlete obese women
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