مقایسه تأثیر و ماندگاری یک دوره تمرینات (NASM) و ترکیبی (عصبی-عضلانی و ثبات مرکزی) بر ویژگی های عملکردی و تعادل افراد مبتلا به آسیب مزمن یک طرفه مچ پا

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دکترای تخصصی حرکات اصلاحی و آسیب شناسی ورزشی، دانشگاه خوارزمی، تهران، ایران

2 استادیار، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی، تهران، ایران

چکیده

مقدمه و اهداف
مفصل مچ پا به عنوان یکی از آسیب­پذیرترین مفاصل بدن شناخته شده است. هدف از انجام مطالعه حاضر بررسی مقایسه تأثیر و ماندگاری یک دوره تمرینات NASM و ترکیبی (عصبی-عضلانی و ثبات مرکزی) بر ویژگی­های عملکردی و تعادل افراد مبتلا به آسیب مزمن یک­طرفه مچ پا بود.
مواد و روش ­ها
36 دانشجوی تربیت بدنی ورزشکار پسر مبتلا به بی­ثباتی مزمن مچ پا در مطالعه حاضر شرکت داشتند و به صورت تصادفی در سه گروه 12 نفره تمرینات NASM، تمرینات ترکیبی و گروه کنترل قرار گرفتند. قبل، بعد و چهار هفته پس از اتمام تمرینات از همۀ آزمودنی­ها جهت بررسی ویژگی­های عملکردی و تعادل پویا آزمون به عمل آمد. جهت بررسی ویژگی­های عملکردی از آزمون­های جهش جانبی، آزمون جهش هشت لاتین، آزمون جهش سه­گانه تک­پا و پرسش­نامه سنجش توانایی پا و مچ پا در فعالیت­های روزانه و ورزشی و جهت ارزیابی تعادل پویا، از آزمون تعادلی اصلاح­شده ستاره استفاده شد. سپس گروه­های تمرین NASM و ترکیبی به مدت هشت هفته تمرینات خود را انجام دادند.
یافته­ ها
نتایج نشان داد که یک دوره تمرینات NASM و ترکیبی، سبب بهبود ویژگی­های متغیرهای وابسته شد و همچنین بعد از گذشت چهار هفته پس از اتمام برنامه تمرینی، در گروه تمرینات NASM، در شاخص­های جهش هشت لاتین و مقیاس توانایی مچ­پا و پا، اثر تمرینات در این افراد بر شاخص­های مذکور ماندگاری داشت و همچنین در گروه تمرینات ترکیبی در شاخص­های جهش جانبی، جهش هشت لاتین و مقیاس توانایی مچ­پا، اثر تمرینات بر شاخص­های مذکور ماندگاری دارد. همچنین نتایج نشان داد تمرینات ترکیبی اثر بیشتری بر شاخص توانایی مچ­پا و پا، نسبت به تمرینات NASM دارد.
نتیجه ­گیری
انجام هشت هفته تمرینات ترکیبی (عصبی-عضلانی و ثبات مرکزی) سبب بهبود بیشتری نسبت به تمرینات NASM در عملکرد و کنترل پاسچر افراد مبتلا به بی­ثباتی مزمن مچ پا دارد

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Comparative Effects of Impacts and Stainabilities of NASM and Combined Exercises (Neuromuscular and Core Stability) on Functional Characteristics and Balance of Individuals with Unilateral Chronic Ankle Injury

نویسندگان [English]

  • Azad Mohammadi 1
  • Seyed Sadradin Shojaedin 1
  • Amir Letafatkar 2
  • Maliheh Hadadnejad 2
1 PhD in Corrective Exercise & Sport Injuries, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
2 Assistant Professor, Department of Biomechanic and Sport Injury, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
چکیده [English]

Background and Aims: Ankle joint is known as one of the most vulnerable joints of the body. The aim of the present study was to compare the impacts and sustainabilities of NASM and combined excersices (neuromuscular and core stability) on the functional charactristics and balance of individuals with unilateral chronic ankle injury.
Materials and Methods: A total of 36 male athlete students suffering from chronic ankle instability voluntarily participated in the present study and were randomly divided into three groups of 12: NASM excersices, combined training, and the control group. All the participants’ performance characteristics and dynamic balance were evaluated prior to, after, and four weeks after the exercises. To evaluate the functional characteristics, we used Side-to-Side Hop Test, Figure-eight Hop Test, Triple Hop Test, and questionnaires measuring the ability of the foot and ankle in sports and daily activities and to evaluate the dynamic balance, the balance test Y was used. Then, the NASM and combined groups performed the relevant exercises.
Results: The results showed that both NASM and compound exercises caused improvement in the dependent variables. Also, NASM exercises had lasting impacts four weeks after the exercise protocol in indicators of figure-eight hop test and the ability of ankle and foot test. Also, combination exercise had lasting effects observed in side-to-side hop test, figure-eight hop test, and the ability of ankle and foot scale. The results also showed that compound exercises, as compared with NASM exercises, were more effective as observed in the ability of the ankle and foot test.
Conclusion: Doing eight weeks of combined training (neuromuscular and core stability) was observed to be significantly more effective, compared with NASM training, in the performance and postural control in patients with chronic ankle instability.

کلیدواژه‌ها [English]

  • Training NASM
  • Neuromuscular training
  • core stability exercises
  • Chronic ankle instability
  • Physical education students
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