دوره 12، شماره 3 - ( 9-1405 )                   جلد 12 شماره 3 صفحات 382-372 | برگشت به فهرست نسخه ها


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Najafpoor S, Fadaei H, Adigozali H, Ghiami Rad A. Effect of a Post-Activation Potentiation-Based Plyometric Warm-Up on Hand and Pelvis Linear Velocity During the Gyaku-Zuki Punch: A Quasi-Experimental Study. J Sport Biomech 2026; 12 (3) :372-382
URL: http://biomechanics.iauh.ac.ir/article-1-485-fa.html
نجف پور سینا، فدایی حامد، آدی گوزلی حکیمه، قیامی‌راد امیر. تأثیر گرم‌کردن پلایومتریک مبتنی بر پس‌فعال‌سازی بر سرعت خطی دست و لگن حین ضربه گیاکو-زوکی: یک مطالعه شبه تجربی. مجله بیومکانیک ورزشی. 1405; 12 (3) :372-382

URL: http://biomechanics.iauh.ac.ir/article-1-485-fa.html


1- گروه بیومکانیک ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه خوارزمی، تهران، ایران.
2- گروه فیزیوتراپی، دانشکده علوم توانبخشی، دانشگاه علوم پزشکی تبریز، تبریز، ایران.
3- گروه رفتار حرکتی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه تبریز، تبریز، ایران.
چکیده:   (23 مشاهده)

هدف گرم‌کردن پس‌فعال‌سازی (PAP) از راهکارهای مورد استفاده در بهبود عملکرد و نیروی عضلانی در ورزشکاران است. هدف این مطالعه بررسی تأثیر گرم‌کردن پلایومتریک مبتنی بر پس‌فعال‌سازی بر سرعت خطی دست و لگن حین ضربه‌ی گیاکو-زوکی در کاراته‌کاران مرد می‌باشد.
روش‌ها در این مطالعه‌ی شبه‌تجربی بر روی ۱۹ کاراته‌کار مرد، دو پروتکل گرم‌کردن (استاندارد و استاندارد به‌همراه PAP شامل پرش‌های تاک) مقایسه شد. داده‌های سینماتیکی به‌صورت سه‌بعدی ثبت و متغیرهای سرعت بیشینه و میانگین حرکت دست و لگن، زمان واکنش، فرکانس ضربه و نرخ خستگی اندازه‌گیری شد.
یافته‌ها استفاده از تمرینات PAP سرعت بیشینه دست (Δ = 0.098 m/s, p = 0.045)، سرعت بیشینه لگن (Δ = 0.010 m/s, p = 0.031) و نرخ خستگی (Δ = 0.642, p = 0.040) را افزایش داد و در عین حال باعث کاهش معنادار زمان واکنش (Δ = −0.010 s, p = 0.039) گردید. همبستگی مثبت قوی بین افزایش سرعت بیشینهی لگن و بهبود سرعت بیشینهی دست (r = 0.537, p = 0.018) دیده شد. سرعت میانگین و فرکانس ضربه تغییر معناداری نداشت (p > 0.05).
نتیجه‌گیری گرم‌کردن PAP در مقایسه با روش سنتی، سرعت خطی لگن و حرکت دست در مشت کاراته را افزایش می‌دهد. اگرچه این روش ممکن است باعث خستگی موقت شود، اما با ریکاوری مناسب، امکان طراحی برنامه‌های تمرینی فردی برای اوج‌گیری در مسابقات کوتاه‌مدت مانند کومیته را فراهم می‌کند.

متن کامل [PDF 1202 kb]   (13 دریافت)    
نوع مطالعه: كاربردي | موضوع مقاله: تخصصي
دریافت: 1404/9/23 | پذیرش: 1405/3/5 | انتشار: 1405/3/25

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