نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشیار فیزیولوژی ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشگاه کردستان، کردستان، ایران.
2 کارشناسی ارشد فیزیولوژی ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشگاه کردستان، کردستان، ایران.
چکیده
زمینه و هدف: برخی تحقیقات اثربخشی تمرینات ورزشی بر عوارض جانبی بیماری MS را نشان داده اند. هدف از تحقیق حاضر، بررسی تأثیر تمرین های مقاومتی پیشرونده بر تعادل، درصد چربی، قدرت و استقامت عضلانی در زنان و مردان مبتلا به MS بود. برای این منظور ۱۸بیمار (با میانگین سن ۹/۷±۴/۲۹ سال، وزن ۴/۱۴±۷/۶۹ کیلوگرم) به شیوة هدفمند انتخاب و سپس به صورت تصادفی به دو گروه آزمایشی (۱۰ نفر) و کنترل (۸ نفر) تقسیم شدند. گروه آزمایشی به مدت ۱۲ هفته، هر هفته ۳ جلسه و هر جلسه به مدت ۷۰ دقیقه با شدت ۵۰ تا ۸۰ درصد یک تکرار بیشینه تمرینات مقاومتی پیشرونده را اجرا کردند. در این مدت گروه کنترل هیچگونه فعالیت بدنی منظمی نداشت. برای ارزیابی تعادل از آزمون استورک، درصد چربی بدن از آزمون یوهاژ، قدرت عضلانی از آزمون یک تکرار بیشینه و استقامت عضلانی از آزمون استقامت عضلانی پویا استفاده گردید. از آزمون تحلیل واریانس با اندازهگیری مکرر و آزمون تعقیبی بونفرونی در سطح معنی داری 0/05>p جهت تحلیل داده ها استفاده شد. یافته ها: نتایج نشان داد که پس از ۱۲ هفته تمرین مقاومتی در گروه آزمایشی، قدرت عضلانی (0/0001=p)، تعادل (0/002=p)، استقامت عضلانی (0/0001=p) افزایش و درصد چربی (0/02=p) کاهش معنیداری پیدا کرده است. همچنین در پسآزمون بین دو گروه به لحاظ قدرت عضلانی اختلاف معنیداری به نفع گروه تجربی وجود داشت (0/0001=p). نتیجه گیری: اجرای تمرینات مقاومتی به مدت ۱۲ هفته با شدت مورد نظر موجب بهبود فاکتورهای مرتبط با آمادگی جسمانی بیماران مبتلا به MS می شود و نسخه مناسبی برای افزایش آمادگی جسمانی این افراد می باشد.
کلیدواژه‌ها
عنوان مقاله [English]
Positive effects of progressive resistance training on physical fitness indices in patients with multiple sclerosis
نویسندگان [English]
- Dariush Sheikholeslami-Vatani 1
- Golaleh Ghaderi Almaneh 2
1 Associate Professor in Exercise Physiology, Department of Physical Education and Sport Sciences, University of Kurdistan, Sanandaj, Iran.
2 MS.c in Exercise Physiology, Department of Physical Education and Sport Sciences, University of Kurdistan, Sanandaj, Iran.
چکیده [English]
Background and Aims: Some studies have shown the effectiveness of exercise training on the side effects of MS patinas. The aim of this study was to investigate the effects of progressive resistance training on balance, body fat percentage, muscle strength and endurance in men and women with MS disease. Materials and Methods: 18 MS patients with (mean of age: 29.4±7.9 years, weight: 69.7±14.4 kg) were selected by targeted sampling and then randomly assigned into two groups as experimental (n=10) and control (n=8). The experimental group performed resistance exercise for 12 weeks, three sessions per week, each session for 70 minutes with 50 - 80% of 1RM, while, the control group did not perform any regular exercise during course of the study. The stork test was used to evaluate the static balance. For measuring body fat percentage, muscle strength and muscular endurance, the Yuhasz test, one repetition maximum test and dynamic muscular endurance test were used, respectively. For statistical analysis, the analysis of variance (ANOVA) with repeated measure and Bonferroni post hoc test at level of 0.05 were used. Results: The results showed that after 12 weeks of resistance training, there were significant increase in muscle strength (p=0.0001), balance (p=0.002), muscular endurance (p=0.0001) in experimental group, while, body fat percentage significantly decreased (P=0.02). Moreover, there was also a significant difference between the two for 1RM after post test measurements based on experimental group. Conclusion: The finding of present study indicated that 12 weeks of moderate-intensity resistance training can improve the physical fitness indices of multiple sclerosis patients and provide a suitable prescription for improving the physical fitness of these patients.
کلیدواژه‌ها [English]
- resistance training
- physical fitness
- multiple sclerosis
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