مقایسه فعالیت الکترومایوگرافی عضله گلوتوس مدیوس در پاسخ به اغتشاش پوسچرال دینامیک در ورزشکاران با و بدون سندروم درد پاتلوفمورال

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه علوم پایه و عمومی، موسسه آموزش عالی عمران و توسعه، همدان، ایران

2 گروه بیومکانیک و حرکات اصلاحی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی تهران، تهران، ایران

3 گروه فیزیوتراپی، دانشکده علوم توانبخشی، دانشگاه علوم پزشکی ایران، تهران، ایران

4 گروه طب فیزیکی و توانبخشی، دانشکده علوم توانبخشی، دانشگاه علوم پزشکی همدان، همدان، ایران

چکیده

سابقه و هدف: سندروم درد پاتلوفمورال یکی از شایع‌ترین اختلالات زانو در افراد فعال و ورزشکاران است. کنترل عصبی عضلانی ضعیف عضله گلوتوس مدیوس در سندروم درد پاتلوفمورال از اهمیت ویژه‌ای برخوردار است. هدف مطالعه حاضر بررسی فعالیت الکترومایوگرافی عضله گلوتوس مدیوس در پاسخ به اغتشاش پوسچرال دینامیک در ورزشکاران مبتلا به سندروم درد پاتلوفمورال و سالم بود.
مواد و روش ها: 12 ورزشکار مرد مبتلا به سندروم درد پاتلوفمورال  و 12 ورزشکار سالم  در این مطالعه شرکت کردند. فعالیت الکترومایوگرافی عضله گلوتوس مدیوس با استفاده از دستگاه 16-کاناله مدل BTS-FREEEMG 300 اندازه‌گیری شد. برای تجزیه و تحلیل داده‌ها از آمار توصیفی و برای مقایسه دو گروه از آزمون آماری t مستقل استفاده شد.
یافته‌ها: نتایج نشان داد بین دو گروه مبتلا و سالم در میزان Peak-RMS و Average-RMS تفاوت معنی‌دار مشاهده نشد. بین دو جهت اعمال اغتشاش در گروه مبتلا به سندروم درد پاتلوفمورال در متغیرهای Peak-RMS و Average-RMS تفاوت معنی‌داری مشاهده نشد.
نتیجه گیری: با توجه به مشارکت ورزشکاران در برنامه‌های تمرینی متعدد، این احتمال وجود دارد که خصوصیات فیزیولوژیک، فاکتورهای عصبی عضلانی و الگوی فراخوانی واحدهای حرکتی عضلات مورد مطالعه در ورزشکاران با افراد غیر ورزشکار متفاوت ‌باشد.
 

تازه های تحقیق

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کلیدواژه‌ها


عنوان مقاله [English]

Comparison of Gluteus Medius Electromyographic Activity in Response to Dynamic Postural Perturbations in Athletes with and without Patellofemoral Pain Syndrome

نویسندگان [English]

  • Shahab Bagheri 1
  • Sadr-Aldin Shoja-Aldin 2
  • Ali Ashraf-Jamshidi 3
  • Amir Letafat kar 2
  • Mohammad-Reza Nikou 4
1 Basic Sciences Department, University Collage Of Omran & Tosee, Hamadan, Iran.
2 Department of Sport Biomechanics and Corrective Exercise, Faculty of sport science, Kharazmi University, Tehran, Iran
3 Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
4 Faculty of Rehabilitation Sciences, Hamadan University of Medical Science, Hamadan, Iran.
چکیده [English]

Background &Purpose: Patellofemoral pain syndrome (PFPS) is one of the most common disorders of the knee in active individuals and athletes. Poor neuromuscular control of the glutus medius muscle is important in patellofemoral pain syndrome. The aim of this study was to investigate the EMG activity of gluteus medius muscle in response to dynamic postural perturbation in athletes with and without PFPS.
Methodology: 12 male athletes with PFPS (age 23/75 ± 3/27 years, height 1/79 ± 7/71 m, weight 74/87 ± 8/62 kg) and 12 healthy male athletes (age 22/91 ± 2/67 years, height 1/77 ± 5/03 m, weight 69/52 ± 6/34 kg) participated in the study. EMG activity of gluteus medius measured using a 16-channel BTS-FREEEMG 300; EMG System during dynamic postural perturbation. To data Analysis Descriptive statistics and Independent t-test were used to compare two groups. The α level was set at 0.05.
Results: The results showed that no significant difference between two groups of PFPS and controls in Peak-RMS and Average-RMS (PConclusion: Regarding participating athletes in numerous training programs, it is likely that the physiological characteristics, neuromuscular factors and motor unit recruitment pattern of muscles be different in athletes and non-athletes.

کلیدواژه‌ها [English]

  • Gluteus medius
  • Electromyography
  • Patellofemoral pain syndrome
  • postural perturbation
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