اثر تمرینات ورزشی ثبات مرکزی بر میزان فعالسازی عضلات شکمی و انعطاف پذیری کمر مردان دارای کمردرد مزمن اختصاصی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکترای تخصصی فیزیولوژی ورزش، گروه تربیت بدنی و علوم ورزشی، دانشکده علوم انسانی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

2 استادیار، گروه تربیت بدنی و علوم ورزشی، دانشکده علوم انسانی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران (نویسنده مسئول)

3 دانشیار، گروه تربیت بدنی و علوم ورزشی، دانشکده علوم انسانی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

چکیده

مقدمه: فتق دیسک کمر شایع ترین دلیل اختصاصی کمردرد مزمن است و تمرین درمانی یکی از اهداف مدیریت آن می­باشد. هدف از این مطالعه بررسی اثر تمرینات ثبات مرکزی بر میزان فعالسازی عضلات شکمی و انعطاف­پذیری کمر مردان مبتلا به کمردرد مزمن اختصاصی بود.
روش کار:  آزمودنی­های این کارآزمایی بالینی، 20 مرد جوان و میانسال مبتلا به فتق دیسک کمر مراجعه کننده به فیزیوتراپی در رشت در نیمه اول سال 99 بودند که به­صورت تصادفی در دو گروه تمرینات ثبات مرکزی (10 نفر) و شاهد (10 نفر) قرار گرفتند. فعالیت الکتریکی عضلات مایل داخلی، مایل خارجی و راست شکمی توسط دستگاه الکترومیوگرافی، قدرت عضلات شکمی با آزمون پایین آوردن مستقیم پاها و انعطاف­پذیری کمر با آزمون نشستن و خمش اندازه­گیری شد. پروتکل تمرین گروه مداخله شامل 8 هفته تمرینات ثبات مرکزی بود، در حالی­که گروه شاهد پیگیری می­شدند. تجریه و تحلیل آماری با استفاده از آزمون­های تی همبسته و تحلیل کوواریانس با نرم افزار SPSS انجام شد.
نتایج: میزان فعالسازی هر 3 عضله و قدرت و انعطاف پذیری پس از هشت هفته تمرین، بهبود معنی­داری داشت (05/0p<)   اما در گروه شاهد تغییرات معنی­داری نبود. با این حال تحلیل کوواریانس حاکی از تفاوت بین دو گروه در میزان فعالسازی هر سه عضله و انعطاف پذیری بود (05/0p<)؛ اما در قدرت عضلات تفاوت معنی­داری مشاهده نشد.
نتیجه گیری: یافته­های ما نشان داد افراد دچار فتق دیسک پس از تمرین ثبات مرکزی از فعالسازی، قدرت و انعطاف پذیری بیشتری در عضلات تنه برخوردار می­شوند بنابراین می­توانند در مراحل توانبخشی مورد توجه قرار گیرند.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of core stability exercise on activation of abdominal muscles and lumbar flexibility in men with specific chronic low back pain

نویسندگان [English]

  • Yasser Mohebbi rad 1
  • Mohammad Reza Fadaei Chafy 2
  • Alireza Elmieh 3
1 PhD Student in Exercise Physiology, Department of Physical Education and Sport Sciences, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran
2 Assistant Professor, Department of Physical Education and Sport Sciences, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran (Corresponding Author)
3 Associate Professor, Department of Physical Education and Sport Sciences, Faculty of Humanities, Rasht Branch, Islamic Azad University, Rasht, Iran
چکیده [English]

     Introduction: Lumbar disc herniation is the most common specific cause of chronic low back pain and exercise therapy is one of the goals of its management. The aim of this study was to investigate the effect of core stability exercises on activation of abdominal muscles and flexibility of lumbar in men with disc herniation.
Materials and Methods: The subjects of this clinical trial study were 20 young and middle-aged men with lumbar disc herniation referred to physiotherapy in rasht in first half of year 1399 who were randomly divided into two groups of core stability exercises (n=10) and control (n=10). The electrical activity of the internal oblique, external oblique, and rectus abdominis muscles was measured by electromyography and abdominal muscle strength by straight leg raising test and flexibility by sit and reach test. Training protocol of intervention group included 8 weeks of core stability exercise, while the control group was only followed up. Statistical analysis was performed using paired t test an analysis of covariance test with SPSS software.
Results: Activation of 3 muscles and strength and flexibility after 8 week of exercise had a significant improvement(p<0/05)but changes were not significant in control group. However, analysis of covariance showed a difference between two groups in activation of all three muscles and flexibility(p<0/05)But no significant difference was observed in muscle strength.
Conclusion: Our findings showed, people with disc herniation experience greater activation, strength, and flexibility in trunk muscles after core stability exercise thus can be considered in rehabilitation.

کلیدواژه‌ها [English]

  • Core stability exercise
  • Activation
  • Flexibility
  • Specific chronic low back pain
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