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، جلد ۱۰، شماره ۲، صفحات ۱۹۷-۲۱۱
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| عنوان فارسی |
تأثیر تمرینات بازخوردی بر اوج نیروی عمودی عکس العمل زمین و نرخ بارگذاری مرتبط با آسیب اندام تحتانی در فرود بعد از دفاع موفق و ناموفق والیبال |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
The effects of feedback exercises on peak vertical Ground Reaction force and Rate of Loading associated with lower extremity injury in landing after volleyball blocks |
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| چکیده انگلیسی مقاله |
Female volleyball players are 2 to 10 times more likely than men to suffer from the injury of anterior cruciate ligament in motor patterns with decrease in repeated acceleration, landing, and rotation. The aim of the present study was to investigate the effect of 6 weeks of feedback exercises on thepeak vertical ground reaction force and rate of loading associated with lower extremity injury in landing after successful and unsuccessful defense in female university volleyball players. 32 female volleyball players (age range 18-24 years) were selected and randomly divided into feedback (n=16) and control (n=16) groups. The force plate was used to measure the peak vertical ground reaction force and the rate of loading in pretest and posttest. According to the findings, the significance levels were P=0.003 and 0.004 for the first and second peak of the VGRF in stick landing, P=0.005 and 0.012 in step-back landing, P=0.008 and 0.011 for the first and second ROL in stick landing, P=0.002 and 0.016 in the step-back landing. The results of this study showed that feedback exercises had positive effects on the prevention of injury in volleyball players through significant changes in the risk factors of anterior cruciate ligament injury. Therefore, it is suggested to use feedback exercises to reduce those risk factors associated with injuries of the anterior cruciate ligament and to have accurate retention and transfer of safe techniques during the exercise sessions to the competitions. |
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| کلیدواژه‌های انگلیسی مقاله |
feedback exercises,ground reaction force,Rate of loading,Step-back landing,Stick landing,Volleyball |
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| نویسندگان مقاله |
Anis Rostami |
MSc of Sport Injury and Corrective Exercises, Faculty of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
Amir Letafatkar |
Assistant Professor, Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sport Sciences, Kharazmi University. Tehran, Iran
Mehdi Khaleghi Tazji |
Assistant Professor, Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sport Sciences, Kharazmi University. Tehran, Iran
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| نشانی اینترنتی |
https://sshr.ut.ac.ir/article_72252_eafcea742c814037b43a92ba4687830a.pdf |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
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