Journal of Rafsanjan University of Medical Sciences

fa اثر 8 هفته تمرینات هوازی و مقاومتی به همراه تمرینات اصلاحی بر مؤلفه‌های نیروی عکس‌العمل زمین در مردان چاق با پای پرونیت طی راه‌رفتن: یک مطالعه کارآزمایی بالینی Effect of 8 Weeks of Aerobic and Resistance with Corrective Eercise on Ground Reaction Force Components in Obese Males with Pronated Feet during Walking: A Clinical Trial Study تربيت بدني تربيت بدني پژوهشي Research چکیده زمینه و هدف: چاقی و پرونیشن پا از جمله اختلالاتی هستند که می‌توانند تعادل و الگوی راه رفتن را مختل کنند. لذا این مطالعه با هدف تعیین اثر یک دوره تمرینات ترکیبی بر مقادیر نیروهای عکس‌العمل زمین در مردان چاق با پای پرونیت طی راه‌رفتن انجام شد. مواد و روش‌ها: مطالعه کارآزمایی بالینی حاضر در سال 1403 در شهرستان اردبیل انجام شد. نمونه آماری پژوهش حاضر شامل 30 مرد بزرگسال مبتلا به چاقی با پای پرونیت که به صورت تصادفی در گروه تمرین (15 نفر) و کنترل (15 نفر) تقسیم شدند. گروه تمرین به ‌مدت ۸ هفته، ۳ جلسه در هفته، تمرینات ترکیبی شامل تمرینات مقاومتی و هوازی همراه با اصلاحی را اجرا کردند. گروه کنترل در این مدت هیچ برنامه تمرینی خاصی نداشتند. مقادیر نیروهای عکس‌العمل زمین از طریق یک صفحه نیرو سنج ثبت شد. برای تجزیه وتحلیل داده‌ها از آنالیز کوواریانس چندمتغیره استفاده شد. یافته‌ها: نتایج نشان داد که اجرای 8 هفته تمرینات ترکیبی بر مقادیر نیروهای عکس‌العمل زمین در مردان چاق با پای پرونیت تأثیر دارد (001/0>P) که بیشترین تأثیر بر مؤلفه زمان رسیدن به اوج نیروی خلفی با افزایش 38/4 درصدی بود. نتیجه‌گیری: یافته‌ها نشان داد که تمرینات هوازی و مقاومتی، همراه با تمرینات اصلاحی، مقادیر زمان رسیدن به اوج نیروی‌های عکس‌العمل زمین را در مردان چاق با پای پرونیت طی راه‌ رفتن بهبود می‌بخشد. با این حال، تحقیقات آینده باید هنگام طراحی مداخلات توان‌بخشی، شرایط خاص بیماران را در نظر بگیرند. واژه‌های کلیدی: چاقی، راه رفتن، تمرینات ترکیبی، نیروی‌های عکس‌العمل زمین، پای پرون <v:roundrect arcsize="0" id="Rounded_x0020_Rectangle_x0020_4" o:gfxdata="UEsDBBQABgAIAAAAIQC75UiUBQEAAB4CAAATAAAAW0NvbnRlbnRfVHlwZXNdLnhtbKSRvU7DMBSF dyTewfKKEqcMCKEmHfgZgaE8wMW+SSwc27JvS/v23KTJgkoXFsu+P+c7Ol5vDoMTe0zZBl/LVVlJ 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مردان چاق با پای پرونیت طی راه‌رفتن: یک مطالعه کارآزمایی بالینی. مجله دانشگاه علوم پزشکی رفسنجان، سال 1404، دوره 24، شماره 10، صفحات: 970-955.   Effect of 8 Weeks of Aerobic and Resistance with Corrective Eercise on Ground Reaction Force Components <a name="_Hlk214327894">in Obese Males with Pronated Feet </a>during Walking: A Clinical Trial Study <a name="_Hlk198979295"></a> Ehsan Fakhri Mirzanagh<a href="#_ftn1" name="_ftnref1" title="">[1]</a>, AmirAli Jafarnezhadgero<a href="#_ftn2" name="_ftnref2" title="">[2]</a>, Mahrokh Dehghani<a href="#_ftn3" name="_ftnref3" title="">[3]</a>, Farhad Rezazadeh<a href="#_ftn4" name="_ftnref4" title="">[4]</a>, Afsaneh Enteshari-Moghaddam<a href="#_ftn5" name="_ftnref5" title="">[5]</a> Received: 23/09/25       Sent for Revision: 03/11/25       Received Revised Manuscript: 28/12/25   Accepted: 30/12/25 <v:roundrect arcsize="0" id="Rounded_x0020_Rectangle_x0020_7" 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v-text-anchor:top"> <w:wrap anchorx="margin"> </w:wrap></v:roundrect> <a name="_Hlk114425361">Background and Objectives: </a>Obesity and pronated feet are among the disorders that can disrupt balance and gait patterns. Therefore, this study aimed to determine the effect of a combined training course on the values of ground reaction forces in obese men with pronated feet during walking. Materials and Methods: This study was a clinical trial conducted in Ardabil City in 2024. The statistical sample of the present study included 30 obese adult men with pronated feet that were randomly divided into training (15 individulas) and control (15 individulas) groups. The training group performed combined exercises including resistance and aerobic with corrective exercises at 3 sessions per week for 8 weeks. The control group did not receive any specific exercise program during this period. The values of ground reaction forces through a force plate were recorded. Multivariate analysis of variance was used to analyze the data. Results: The results of the multivariate analysis of covariance (MANCOVA) indicated that 8 weeks of combined exercises significantly affected the components of ground reaction forces in obese men with pronated feet (p<0.001). The greatest effect was observed on the time-to-peak of the posterior force, which increased by 4.38% Conclusion: The findings showed that aerobic and resistance training with corrective exercises significantly improved the time-to-peak for peak values of ground reaction forces in obese males with pronated feet during walking. However, future research should consider the specific conditions of patients when designing rehabilitation interventions. Keywords: Obesity, Walking, Combined exercises, Ground reaction forces, <a name="_Hlk214353509">Pronated feet</a> Funding: This study did not have any funds. Conflict of interest: None declared. Ethical considerations: The Ethics Committee of University of Mohaghegh Ardabili approved the study (IR.UMA.REC.1403.062). 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Effect of 8 Weeks of Aerobic and Resistance with Corrective Eercise on Ground Reaction Force Components in Obese Males with Pronated Feet During Walking: A Clinical Trial Study. J Rafsanjan Univ Med Sci 2026; 24 (10): 955-70. [Farsi]</div> </td> </tr> </tbody> </table> </v:textbox> <w:wrap anchorx="margin"> </w:wrap></v:roundrect>- Writing – review & editing: AmirAli Jafarnezhadgero, Ehsan Fakhri Mirzanagh <div>  <hr align="left" size="1" width="33%" > <div id="ftn1"> <div style="border-bottom:solid windowtext 1.0pt; padding:0cm 0cm 1.0pt 0cm; margin-right:476px"></div> [1]- PhD Candidate in Sports Biomechanics, Dept. of Sports Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran</div> <div id="ftn2"><a href="#_ftnref2" name="_ftn2" title="">[2]</a>- Associate Prof. of Sports Biomechanics, Dept. of Sports Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran, ORCID: 0000-0002-2739-4340     (Corresponding Author) Tel: 09105146214, E-mail: amiralijafarnezhad@gmail.com</div> <div id="ftn3"><a href="#_ftnref3" name="_ftn3" title="">[3]</a>- Prof. of Motor Behavior, Dept. of Sports Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran</div> <div id="ftn4"><a href="#_ftnref4" name="_ftn4" title="">[4]</a>- Assistant Prof. of Sport Injuries, Dept. of Sports Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran</div> <div id="ftn5"><a href="#_ftnref5" name="_ftn5" title="">[5]</a>- Associate Prof. of Rheumatology, Dept. of Internal Medicine, Ardabil University of Medicine Sciences, Ardabil, Iran</div> </div> چاقی, راه رفتن, تمرینات ترکیبی, نیروی‌های عکس‌العمل زمین, پای پرون Obesity, Walking, Combined exercises, Ground reaction forces, Pronated feet 955 970 http://journal.rums.ac.ir/browse.php?a_code=A-10-3488-29&slc_lang=fa&sid=1 Ehsan Fakhri Mirzanagh احسان فخری میرزانق ehsanfakhri6454@gmail.com 6900319475328460062202 6900319475328460062202 No University of Mohaghegh Ardabil دانشگاه محقق اردبیلی Amirali Jafarnezhadgero امیرعلی جعفرنژادگرو amiralijafarnezhad@gmail.com 6900319475328460062203 6900319475328460062203 Yes University of Mohaghegh Ardabil دانشگاه محقق اردبیلی Mahrokh Dehghani ماهرخ دهقانی mahrokh.dehghani@yahoo.com 6900319475328460062204 6900319475328460062204 No University of Mohaghegh Ardabil دانشگاه محقق اردبیلی Farhad Rezazadeh فرهاد رضازاده rezazade.farhad@gmail.com 6900319475328460062205 0009-0003-4190-935X No University of Mohaghegh Ardabil دانشگاه محقق اردبیلی Afsaneh Enteshari-Moghadam افسانه انتشاری مقدم afsanehenteshary@gmail.com 6900319475328460062206 6900319475328460062206 No Ardabil University of Medicine Sciences دانشگاه علوم پزشکی اردبیل