نوع مقاله : مقاله پژوهشی
نویسندگان
1 Shahid Beheshti University, velengak, Tehran, Iran
2 دانشگاه شهید بهشتی
چکیده
اخیرا کاربرد تمرینات عصبی عضلانی واکنشی(RNT) در پیشگیری از آسیب های ورزشی مورد توجه قرار گرفته است. این تمرینات به اصلاح سریع الگوهای غلط حرکتی در افراد کمک می کند. لذا هدف از مطالعه حاضر بررسی اثر هشت هفته تمرینات عصبی عضلانی واکنشی بر کینماتیک فرود زنان بسکتبالیست بود. 33 بازیکن از 3تیم لیگ برتر بسکتبال بانوان استان تهران در این مطالعه شرکت کردند. تیم ها به طور تصادفی به سه گروه تجربی1 (11نفر)، تجربی 2 (11نفر) و گروه کنترل (11نفر) تقسیم شدند. گروه تجربی 1 به مدت هشت هفته تمرینات برنامه پیشگیری از آسیب و بهبود عملکرد EPP و گروه تجربی دو تمرینات RNT +PEP را به جای گرم کردن اجرا نمودند. گروه کنترل تمرینات عادی خود را اجرا می کردند. کینماتیک تنه و اندام تحتانی در حین حرکت فرود به وسیله سیستم آنالیز حرکت در پیش آزمون و پس آزمون مورد بررسی قرار گرفت. داده ها به وسیله آزمون تحلیل واریانس تکراری 2در3 آنالیز شدند. نتایج نشان داد انجام هشت هفته تمرینات پیشگیری از آسیب عصبی عضلانی واکنشی بر میزان زاویه فلکشن ران در لحظه فرود اثر معنی داری دارد (F(2,27)=3.40, P=0.04, ηp2=0.20). اما اثر معنی داری در زوایای والگوس زانو، فلکشن زانو، دورسی فلکشن مچ پا و فلکشن تنه در لحظه فرود متعاقب اجرای تمرینات عصبی عضلانی واکنشی مشاهده نشد. این نتایج به طور کلی نشان داد برنامه پیشگیری از آسیب با استفاده از تمرینات عصبی-عضلانی واکنشی نمی تواند بر شاخص های پیشگیری از آسیب های لیگامنت متقاطع قدامی موثر باشد.
کلیدواژه‌ها
عنوان مقاله [English]
The Effect of Eight Weeks Reactive Neuromuscular Training on Lower Extremity kinematics during Landing in Female Basketball Players
نویسندگان [English]
- Anoosheh Yadollahi 1
- Mostafa Zarei 2
- Mehdii gheiitasi 2
1 Shahid Beheshti University, velengak, Tehran, Iran
2 Shahid Beheshti University, velengak, Tehran, Iran
چکیده [English]
Recently the reactive neuromuscular training (RNT) has received increasing attention due to its function in decreasing the sport injuries. These exercises help athletes to quickly correct their faulty movement patterns. The aim of this study was to investigate the effect of eight weeks of reactive neuromuscular training on landing kinematics in Female Basketball Players. Thirty three players from the three teams of the Tehran Female's Basketball Premier League participated in this study. The teams were randomly divided into three groups: experimental 1 (n=11), experimental 2 (n=11) and control group (n=11). Experimental group 1 performed prevent injury and enhance performance (PEP) exercises for eight weeks and experimental group 2 performed PEP exercises with RNT instead of regular warming up. The control group performed their usual exercises. The kinematics of the trunk and lower extremity joints during landing were evaluated by pre-test and post-test. Three-dimensional lower-extremity kinematics was measured during drop jump with a single leg landing. Data were analyzed by 2-way repeated measures analysis of variance. The results showed that eight weeks of reactive neuromuscular training had a significant effect on hip flexion angle at landing (F(2,27)=3.40, P=0.04, ηp2=0.20). But there was no significant effect on knee valgus, knee flexion, ankle dorsiflexion, and trunk flexion at the moment of landing following RNT training. The presented results indicated that the injury prevention program using reactive neuromuscular exercises could well modify the athletes' movement patterns toward a lower risk of anterior cruciate ligament injury.
کلیدواژه‌ها [English]
- Kinematics
- Basketball
- Landing
- Reactive Neuromuscular trainig
- Anterior Cruciate Ligament
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