fa تأثیر یک دوره تمرین با باند الاستیکی بر فعالیت الکتریکی عضلات اندام تحتانی در دانشجویان پسر دارای زانوی ضربدری طی دویدن: یک مطالعه کارآزمایی بالینی تربيت بدني تربيت بدني پژوهشي Research <span style="font-size:10pt"><span style="line-height:125%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">زمینه و هدف:</span></span></span></b><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:"> زانوی ضربدری (ژنووالگوم یا پای ضربدری) عارضه‌ای است که در آن ران‌ها به سمت داخل زاویه پیدا می‌کنند و زانوها با یک</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">‌</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">دیگر تماس می‌یابند، در حالی که قوزک‌ها از هم دور می‌شوند. هدف از پژوهش حاضر تعیین تأثیر برنامه تمرینی با باند الاستیکی بر طیف فرکانس فعالیت الکتریکی عضلات اندام تحتانی در افراد با زانوی ضربدری طی دویدن بود.</span></span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:125%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">مواد و روش</span></span></span></b><b><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">&shy;</span></span></b><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">ها:</span></span></span></b> <span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">پژوهش حاضر از نوع کارآزمایی بالینی بود. این پژوهش در سال 1398 در دانشگاه محقق اردبیلی انجام شد. 24 دانشجوی پسر دارای زانوی ضربدری (20-30 سال) به صورت تصادفی در دو گروه کنترل (12 نفر) و تجربی (12 نفر) قرار گرفتند. تمرینات اصلاحی به مدت 8 هفته با استفاده از باند الاستیکی توسط گروه تجربی اجرا شد. گروه کنترل هیچ&shy;گونه فعالیت ورزشی منظمی را طی 8 هفته نداشتند. فعالیت الکتریکی عضلات منتخب به&shy;وسیله دستگاه الکترومایوگرافی ثبت شد. جهت تجزیه&shy; و تحلیل&shy; داده&shy;ها از آزمون </span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">t</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:"> مستقل و زوجی استفاده شد.</span></span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:125%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">یافته</span></span></span></b><b><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">&shy;</span></span></b><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">ها:</span></span></span></b> <span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">نتایج پژوهش نشان داد طیف فرکانس فعالیت الکتریکی عضله راست&shy;رانی (028/0=</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">p</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">، 495/2=</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">d</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">) و عضله نیمه &shy;وتری (019/0=</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">p</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">،</span></span></span> <span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">682/1=</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">d</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">)، افزایش معنی&shy;داری را پس از اعمال تمرینات دارا می&shy;باشد.</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:125%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">نتیجه</span></span></span></b><b><span dir="LTR" style="font-size:12.0pt"><span style="line-height:125%">‌</span></span></b><b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:">گیری:</span></span></span></b><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:125%"><span b="" nazanin="" style="font-family:"> افزایش میانه فرکانس پهن داخلی در افراد زانوی ضربدری، بهبود پایداری مفصل زانو را به دنبال خواهد داشت. با این وجود، برای تأیید بهتر این موضوع، نیاز به انجام پژوهش&shy;های بیش‌تری می‌باشد.</span></span></span></span></span></span></span></span><br> <b><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">واژه&shy;های کلیدی:</span></span></span></b><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> تمرین، </span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">باند الاستیکی</span></span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">، زانوی ضربدری، </span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">عضلات اندام تحتانی</span></span></span><span dir="RTL" lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">، فعالیت الکتریکی</span></span></span> <div><div></div></div> <span style="font-size:10pt"><span style="line-height:150%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:150%">Background and Objectives: </span></b><span style="line-height:150%">Genu valgum is a complication in which the hips are angled inward and the knees come in contact with the ankles apart. The purpose of the present study was to investigate the effect of 8 weeks training with elastic band on frequency spectrum of lower limb muscles in genu valgum patients during running.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:150%">Materials and Methods:</span></b><span style="line-height:150%"> The present study was a clinical trial study. This study was done at University of Mohaghegh Ardabili in 2019. 24 male students (20-30 years old) were randomly divided into control (n=12) and experimental (n=12) groups. Corrective exercises were performed for 8 weeks using elastic band for the experimental group. The control group did not perform any exercise during this period. The electrical activity of selected muscles was recorded by electromyography system. Data were analyzed using independent t-test and paired t-test.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:150%">Results:</span></b><span style="line-height:150%"> Findings showed a significant increase in the frequency spectrum of rectus femoris (p=0.028; d=2.495) and semitendinosus muscles (p=0.019; d=1.682) after training.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:150%">Conclusion:</span></b><span style="line-height:150%"> In genu valgus individuals, increasing vastus medialis frequency content could lead to knee joint stability. However, further studies are needed to better establish this issue.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:150%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:150%">Key words: </span></b><span style="line-height:150%">Training, Elastic band, Genu valgum, Lower limb muscles, Electrical activity</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:145%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:145%">Funding:</span></b><span style="line-height:145%"> This study was funded by University of Mohaghegh Ardabili.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:145%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:145%">Conflict of interest:</span></b><span style="line-height:145%"> None declared.</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:145%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:145%">Ethical approval:</span></b><span style="line-height:145%"> The Ethics Committee of Ardabil University of Medical Sciences approved the study (IR.ARUMS.REC.1397.091).</span></span></span></span></span></span><br> <span style="font-size:10pt"><span style="line-height:145%"><span style="tab-stops:-45.0pt"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:145%">How to cite this article: </span></b><span style="line-height:145%">Ghorbanlou Farshad, Jafarnezhadgero Amir Ali, Fakhri Mirzanagh Ehsan. The Effect of Training with Elastic Band on Electro Myography of Lower Limb Muscles in Genu Valgum Male Students During Running: A Clinical Trial Study</span><span style="font-size:9.0pt"><span style="line-height:145%">. <i>J Rafsanjan</i></span></span><span style="font-size:9.0pt"><span style="line-height:145%"> <i>Univ Med Sci</i> 2022; 21 (03): 327-42. [Farsi]</span></span><b><span dir="RTL" lang="FA" style="font-size:9.0pt"><span style="line-height:145%"><span style="font-family:"B Nazanin""></span></span></span></b></span></span></span></span></span><br> &nbsp; تمرین, باند الاستیکی, زانوی ضربدری, عضلات اندام تحتانی, فعالیت الکتریکی Training, Elastic band, Genu valgum, Lower limb muscles, Electrical activity 327 342 http://journal.rums.ac.ir/browse.php?a_code=A-10-3488-12&slc_lang=fa&sid=1 Farshad Ghorbanlou فرشاد قربانلو ghfarshad711106@gmail.com 6900319475328460049996 6900319475328460049996 No University of Mohaghegh Ardabili دانشگاه محقق اردبیلی Amirali Jafarnezhadgero امیرعلی جعفرنژادگرو amiralijafarnezhad@gmail.com 6900319475328460049997 6900319475328460049997 Yes University of Mohaghegh Ardabili دانشگاه محقق اردبیلی Ehsan Fakhri Mirzanag احسان فخری میرزانق ehsanfakhri@gmail.com 6900319475328460049998 6900319475328460049998 No University of Mohaghegh Ardabili دانشگاه محقق اردبیلی