نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، گروه آسیب شناسی ورزشی و حرکات اصلاحی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه رازی، کرمانشاه، ایران

2 استادیار، گروه آسیب شناسی ورزشی و حرکات اصلاحی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه رازی، کرمانشاه، ایران

چکیده

مقدمه: مطالعات اخیر حاکی از وجود ارتباط بین شاخص کنترل کمری-لگنی و عملکرد، حرکت شناسی و بارگذاری روی اندام­های تحتانی بوده­اند. با این حال، ضعف کنترل کمری-لگنی، به­عنوان یک ریسک فاکتورِ وقوع آسیب­های اندام تحتانی در ورزش­های همراه با فرود مکرر بررسی نشده است. هدف از پژوهش حاضر، بررسی اثر اختلالات کنترل کمری-لگنی بر تعادل و عملکرد اندام تحتانی در ورزشکاران حرفه­ای دارای فرود مکرر بود.
روش ­ها: در این مطالعه­ی مورد- شاهدِ ارزیاب کور، 34 بازیکن حرفه­ای درمطالعه شرکت نمودند. کنترل کمری-لگنی با چهار تستKnee Lift Abdominal Test, Bent Knee Fall Out, Active Straight Leg Raising and PRONE  با دستگاه Pressure Biofeedback Unit ارزیابی شد. شرکت کننده­ها براساس نتایج در دو گروه با کنترل کمری-لگنی(17=n) و بدون کنترل کمری-لگنی (17=n) قرار گرفتند. تعادل پویا با آزمون Y، تعادل نیمه­پویا با دستگاه Lafayette Stability Platform و عملکرد اندام تحتانی با تست­های پرش لی تک­پا، پرش لی 3 تایی، پرش لی 6 متری در زمان، پرش لی متقاطع ارزیابی شدند.
یافته ­ها: یافته­های مطالعه نشان داد، بین دو گروه با و بدون کنترل کمری-لگنی در نمرات تست تعادل Y (001/0P=)، آزمون پرش تک­پا (001/0P=)، پرش لی 3 تایی(001/0P=)،آزمون پرش لی 6 متری (001/0P=)، آزمون پرش لی لی متقاطع (001/0P=) و شاخص تقارن اندام تحتانی(001/0P=)، تفاوت معناداری وجود داشت. با این حال در تعادل نیمه­پویا تفاوت معناداری مشاهده نشد. (05/0<P).
نتیجه گیری: براساس یافته­های این مطالعه، ضعف کنترل کمری-لگنی می­تواند عملکرد اندام تحتانی و تعادل پویای ورزشکاران حرفه­ای دارای فرود مکرر را تحت تأثیر قرار داده و می­تواند ریسک فاکتوری برای وقوع آسیب­های اندام تحتانی مطرح شود.

کلیدواژه‌ها

عنوان مقاله [English]

The Effect of Lumbopelvic Control Disorders on Balance and Lower Extremity Function in Professional Athletes with Frequent Landings: A Single-Blind Cross-Sectional Study

نویسندگان [English]

  • Pariya Fadaei Dehcheshmeh 1
  • Farzaneh Gandomi 2

1 M.Sc. Student, Sport Injuries and Corrective Exercises Department, Physical Education and Sport Sciences Faculty, Razi University, Kermanshah, Iran

2 Assistant Professor, Sport Injuries and Corrective Exercises Department, Physical Education and Sport Sciences Faculty, Razi University, Kermanshah, Iran

چکیده [English]

Introduction: Recent studies have shown relationship between lumbopelvic control, function, kinematics, and lower extremity loading. However, poor lumbopelvic control has not been studied as a risk factor for lower extremity injury in sports with frequent jump-landing. This study aimed to investigate the effect of lumbopelvic control disorders on balance and lower extremity function in professional athletes with frequent landings.
Methods: 34 professional players participated in this assessor-blind case-control study. Lumbopelvic control was assessed with four tests including Knee Lift Abdominal Test, Bent Knee Fall out, Active Straight Leg Raising, and PRONE with Pressure Biofeedback Unit. Based on the results, participants were divided into two groups with lumbopelvic control (n = 17) and without lumbopelvic control (n = 17). Dynamic balance with Y test, semi-dynamic balance with Lafayette Stability Platform, and lower extremity function with single-leg hopping tests (single-hop for distance, triple hop for distance, and 6-meter timed hop test, triple-crossover hop for distance) were evaluated.
Results: The results showed that there was a significant difference between the two groups with and without lumbopelvic control in Y balance test scores (P=0.001), single hop for distance (P=0.001), triple hop for distance (P=0.001), 6-meter timed hop (P=0.001), triple hop for distance (P = 0.001), and lower extremity symmetry index (P=0.001). However, no significant difference was observed in the semi-dynamic balance (P>0/05).
Conclusion: Poor lumbopelvic control affects lower extremity function and dynamic balance of professional athletes with frequent landings, so it can be considered a risk factor for lower extremity injuries.

کلیدواژه‌ها [English]

  • Leg
  • Knee
  • Athletes
  • Biofeedback
  • Risk Factors
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