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تأثیر چهار هفته برنامۀ تمرینی منتخب پرش عمودی بر پایداری دینامیک موضعی کینماتیک مفصل ران و زانو در اجرای پرش عمودی در مردان جوان فعال | ||
مطالعات طب ورزشی | ||
مقاله 2، دوره 9، شماره 22، آبان 1396، صفحه 35-52 اصل مقاله (1.38 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22089/smj.2017.2989.1166 | ||
نویسندگان | ||
مهدی خالقی تازجی* 1؛ حیدر صادقی2؛ سید علی اصغر حسینی3؛ رغد معمار1 | ||
1استادیار بیومکانیک ورزشی، دانشگاه خوارزمی تهران | ||
2استاد بیومکانیک ورزشی، دانشگاه خوارزمی تهران | ||
3استادیار مهندسی مکانیک، دانشگاه خوارزمی تهران | ||
چکیده | ||
بررسی پایداری دینامیک مهارت ورزشی به شناسایی پیچیدگی رفتار سیستم حرکتی بهمنظور کاهش آسیب و بهبود عملکرد کمک میکند. دراینراستا، هدف از پژوهش حاضر بررسی تأثیر تمرین بر پایداری دینامیک موضعی مفاصل ران و زانو در پرش عمودی بود. بدینمنظور 20 مرد جوان فعال در دو گروه کنترل(10 نفر) و تمرین (10 نفر) در این پژوهش شرکت کردند و دادههای کینماتیکی ران، زانو و نیروی عکسالعمل زمین در پیشآزمون و پسآزمون در اجرای پرش عمودی ثبت گردید. همچنین، گروه تجربی بهمدت چهار هفته (12 جلسۀ 40 دقیقهای) در برنامۀ تمرینی شرکت نمود و پایداری دینامیک موضعی زوایای ران و زانو با استفاده از روش غیرخطی بالاترین نمای لیاپانوف محاسبه گشت. نتایج نشان میدهد که بهدنبال افزایش میزان پرش عمودی، برنامۀ تمرینی باعث بهبود معنادار پایداری دینامیک موضعی مفصل زانو شده است.بهنظر میرسد که افزایش پرش عمودی بهدنبال تمرین منجر به پایداری بیشتر مفصل زانو درمقایسه با مفصل ران میشود. | ||
کلیدواژهها | ||
پرش عمودی؛ پایداری دینامیک موضعی؛ کینماتیک مفصل | ||
مراجع | ||
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