دوره 11، شماره 3 - ( 9-1404 )                   جلد 11 شماره 3 صفحات 234-208 | برگشت به فهرست نسخه ها

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Alemu Y, Tadesse T, Birhanu Z. The Effects of Training at Different Uphill Gradients on the Kinematic Characteristics of Middle-Distance Runners. J Sport Biomech 2025; 11 (3) :208-234
URL: http://biomechanics.iauh.ac.ir/article-1-396-fa.html
آلمو یهوالاو، تدسه تفرا، بیرهانو زریهون. تأثیر تمرین در شیب‌های مختلف سربالایی بر ویژگی‌های کینماتیکی دوندگان نیمه‌استقامت. مجله بیومکانیک ورزشی. 1404; 11 (3) :208-234

URL: http://biomechanics.iauh.ac.ir/article-1-396-fa.html

تأثیر تمرین در شیب‌های مختلف سربالایی بر ویژگی‌های کینماتیکی دوندگان نیمه‌استقامت
یهوالاو آلمو*1 ، تفرا تدسه2 ، زریهون بیرهانو1
1- آکادمی ورزش، دانشگاه باهِر دار، باهِر دار، اتیوپی.
2- مرکز آموزشی توسعه و کیفیت، دانشگاه جهانی سلامت، کیگالی، رواندا.
چکیده:   (13 مشاهده)

هدف این مطالعه با هدف بررسی تأثیر تمرین در سه شیب مختلف سربالایی — 7.6، 5.1 و 2.5 درصدی — بر ویژگی‌های کینماتیکی منتخب دوندگان نیمه‌استقامت انجام شد.
روش‌ها چهل دونده نیمه‌استقامت یک تست دو سرعت حداکثر در مسافت ۳۰ متر انجام دادند تا ویژگی‌های کینماتیکی آن‌ها ارزیابی شود. شرکت‌کنندگان به‌صورت تصادفی به یکی از سه گروه تمرین در سربالایی یا گروه کنترل اختصاص داده شدند. ارزیابی‌های پیش و پس از تمرین برای بررسی تأثیر ۸ هفته تمرین در سربالایی بر سرعت حداکثر (Vmax)، نرخ گام‌برداری (SR)، طول گام (SL)، زمان تماس (CT) و زمان پرواز (FT) انجام گرفت.
یافته‌ها گروه تمرین در شیب تندتر (STHG) بهبود معناداری در سرعت حداکثر (Vmax)، نرخ گام‌برداری (SR) و طول گام (SL) نشان داد. گروه با شیب متوسط (IHG) نیز در همین سه متغیر افزایش معناداری داشت. در گروه با شیب ملایم (SHG) تنها سرعت حداکثر (Vmax) به‌طور معناداری افزایش یافت و در سایر متغیرها تغییری مشاهده نشد.
نتیجه‌گیری یافته‌های این مطالعه نشان می‌دهد که تمرین در سربالایی، به‌ویژه در شیب‌های تندتر، می‌تواند به‌طور معناداری ویژگی‌های کینماتیکی کلیدی در دوندگان نیمه‌استقامت را بهبود بخشد و تمرین در شیب‌های تندتر بیشترین مزیت را به همراه داردد.

واژه‌های کلیدی: تمرین در سربالایی، کینماتیک، سرعت حداکثر، دو نیمه‌استقامت، شیب‌های سربالایی
     
نوع مطالعه: پژوهشي | موضوع مقاله: عمومى
دریافت: 1404/3/23 | پذیرش: 1404/4/7 | انتشار: 1404/4/7
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