نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I
نویسندگان
1 دانشیار گروه فیزیولوژی ورزش، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران
2 کارشناس‌ارشد فیزیولوژی ورزش، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران
3 استاد گروه فیزیولوژی ورزش، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران
چکیده
هدف پژوهش حاضر مقایسۀ اثر یک دوره تمرین ورزشی هوازی با دو حجم متفاوت بر برخی فاکتورهای خطر بیماریهای قلبی-عروقی در دختران کمتوان ذهنی بود. 24 دختر کمتوان ذهنی به‌صورت تصادفی در سه گروه قرار گرفتند: 1. تمرین هوازی سه بار در هفته به مدت 45 دقیقه؛ 2. تمرین هوازی چهار بار در هفته به مدت 40 دقیقه؛ 3. کنترل. گروههای تجربی تمرینات هوازی شامل 10 دقیقه گرم کردن، 30 دقیقه راه رفتن، دویدن و بازیهای آزاد و 5 دقیقه سرد کردن را به مدت هشت هفته با شدت 75-65 درصد ضربان قلب ذخیره انجام دادند. دادهها با استفاده از آزمون آنالیز واریانس یکطرفه در سطح 05/0 > α تحلیل شد. نتایج نشان داد بین سه گروه در شاخصهای نیمرخهای لیپیدی، ضربان قلب و برخی از متغیرهای ترکیب بدن (درصد چربی، BMI و WC) تفاوت معناداری وجود ندارد (05/0 < P). دختران کمتوان ذهنی برای بهبود استقامت قلبی- عروقی میتوانند از حجم تمرینی چهار بار در هفته به مدت 40 دقیقه استفاده کنند و برای کاهش WHR از حجم تمرینی سه بار در هفته به مدت 45 دقیقه بهره ببرند. در مورد شاخصهای وزن و VO2max میتوان از هر دو حجم تمرینی استفاده کرد.
کلیدواژه‌ها
عنوان مقاله [English]
The Effect of an Aerobic Exercise Program with Two Different Volumes on Some Risk Factors of Cardiovascular Diseases in Mentally Retarded Girls
نویسندگان [English]
- Amirhosein Haghighi 1
- Nasrin Gelardi 2
- Mohammad Reza Hamedinia 3
1 Associate Professor of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran
2 MSc of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran
3 Professor of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran.
چکیده [English]
The aim of this study was to compare the effect of an aerobic exercise program with two different volumes on some risk factors of cardiovascular diseases in mentally retarded girls. 24 mentally retarded girls were randomly assigned to three groups: 1) aerobic exercise, 3 sessions per week for 45 minutes, 2) aerobic exercise, 4 sessions per week for 40 minutes, and 3) control. The experimental groups performed aerobic exercises including 10 minutes of warm-up, 30 minutes of walking, running and free games, and 5 minutes of cooling for 8 weeks with the intensity of 65-75% heart rate reserve. Data were analyzed using one-way ANOVA (α<0.05). Results indicated that no significant differences among the three groups in lipid profiles, heart rate, and some body composition variables (fat percentage, BMI, WC) (P>0.05). To improve their cardiovascular endurance, mentally retarded girls can perform 4 sessions a week for 40 minutes, and to decrease WHR, they can apply 3 sessions a week for 45 minutes. Both volumes can be used for weight and VO2max.
کلیدواژه‌ها [English]
- aerobic exercise
- exercise volume
- mental retardation
- risk factors
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