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hoseinzadeh, Effat, Eslami, mansour, Habibi Tirtashi, Fereshteh. (1394). A Comparison of the Stiffness of Ankle Joint in Individuals with Normal Feet, Flat Feet and Pes Cavus in Gait Initiation. , 7(2), 237-250. doi: 10.22059/jsmed.2015.56543
Effat hoseinzadeh; mansour Eslami; Fereshteh Habibi Tirtashi. "A Comparison of the Stiffness of Ankle Joint in Individuals with Normal Feet, Flat Feet and Pes Cavus in Gait Initiation". , 7, 2, 1394, 237-250. doi: 10.22059/jsmed.2015.56543
hoseinzadeh, Effat, Eslami, mansour, Habibi Tirtashi, Fereshteh. (1394). 'A Comparison of the Stiffness of Ankle Joint in Individuals with Normal Feet, Flat Feet and Pes Cavus in Gait Initiation', , 7(2), pp. 237-250. doi: 10.22059/jsmed.2015.56543
hoseinzadeh, Effat, Eslami, mansour, Habibi Tirtashi, Fereshteh. A Comparison of the Stiffness of Ankle Joint in Individuals with Normal Feet, Flat Feet and Pes Cavus in Gait Initiation. , 1394; 7(2): 237-250. doi: 10.22059/jsmed.2015.56543

A Comparison of the Stiffness of Ankle Joint in Individuals with Normal Feet, Flat Feet and Pes Cavus in Gait Initiation

Sport Sciences and Health Research
مقاله 6، دوره 7، شماره 2، دی 2015، صفحه 237-250    اصل مقاله (210.14 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jsmed.2015.56543
نویسندگان
Effat hoseinzadeh* 1؛ mansour Eslami2؛ Fereshteh Habibi Tirtashi3
1PhD Student, Department of Sport Biomechanics, Faculty of Physical Education and Sports Sciences, University of Mazandaran, Babolsar, Iran
2Assistant Professor, Department of Sport Biomechanics, Faculty of Physical Education and Sports Sciences, University of Mazandaran, Babolsar, Iran
3M.Sc. in Sport Biomechanics, Faculty of Physical Education and Sports Sciences, University of Mazandaran, Babolsar, Iran
چکیده
The aim of this study was to compare the stiffness of ankle joint in individuals with normal feet, flat feet and pes cavus in gait initiation. 30 female students (10 subjects with flat feet, 10 subjects with pes cavus, 10 subjects with normal feet, mean age 23±1.7 yr, height 165±2.5 cm and weight 53±2.5 kg) participated in this study. Stiffness was calculated using the ratio of muscle torque to the angular displacement of the joint. Navicular-drop test was used to measure the arch rate of the foot. One-way analysis of variance (ANOVA) was used to test the hypotheses (P<0.05). The statistical results showed a significant difference among three groups in the stiffness of the ankle joint (P<0.001). Results of Tukey post hoc test showed that mean stiffness of ankle joint in subjects with pes cavus was 61.97% more than those with flat feet and 43.9% more than those with normal feet and mean stiffness of ankle joint in subjects with normal feet was 41.72% more than those with flat feet. Findings showed that a change in the arch of foot change changed the stiffness as well. Since the stiffness can affect the incidence of vulnerability of soft and hard tissues, coaches are recommended to pay attention to this biomechanical factor in training programs for individuals with foot deformities.
 
کلیدواژه‌ها
flat feet؛ foot structure؛ gait initiation؛ joint stiffness؛ navicular height
عنوان مقاله [English]
مقایسۀ سختی مفصل مچ پا در افراد با کف پای نرمال، صاف و گود در شروع گام‌برداری
نویسندگان [English]
عفت حسین زاده1؛ منصور اسلامی2؛ فرشته حبیبی تیرتاشی3
1دانشجوی دکتری، گروه بیومکانیک ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه مازندران، بابلسر، ایران
2استادیار، گروه بیومکانیک ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه مازندران، بابلسر، ایران
3کارشناس‌ارشد، گروه بیومکانیک ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه مازندران، بابلسر، ایران
چکیده [English]
هدف این تحقیق مقایسۀ­ سختی مفصل مچ پا بین افراد با کف پای نرمال، صاف و گود در شروع گام‌‌برداری بود. 30 دانشجوی دختر (10 نفر کف پای صاف،10 نفر کف پای گود و10 نفر کف پای نرمال) با میانگین سن 7/1±23 سال، قد 5/2±165 سانتی‌متر و وزن 5/2±53 کیلوگرم در این مطالعه شرکت کردند. سختی با استفاده از نسبت گشتاور عضلات به جابه­­­جایی زاویه‌ای مفصل محاسبه شد. برای سنجش قوس کف پا از آزمون شاخص افتادگی ناوی و برای آزمون فرضیات، از آزمون آماری تحلیل واریانس (آنوا) یک‌عامله استفاده شد (05/0≥P). نتایج آماری نشان داد در میزان سختی مفصل مچ پا بین سه گروه اختلاف معناداری وجود دارد (001/0>P). نتایج آزمون تعقیبی توکی نشان داد میانگین سختی مچ پای افراد کف پای گود 97/61 درصد بیشتر از افراد کف پای صاف و 9/43 درصد بیشتر از افراد کف پای نرمال و میانگین سختی مچ پای افراد کف پای نرمال72/41 درصد بیشتر از افراد با کف پای صاف است. یافته­ها نشان داد که با تغییر قوس کف پا سختی نیز تغییر می‌کند. از آنجا که سختی می­تواند در بروز آسیب‌پذیری بافت نرم و سخت افراد تأثیرگذار باشد، به مربیان توصیه می‌شود این عامل بیومکانیکی در برنامۀ تمرینی افراد با ناهنجاری‌های کف پایی لحاظ شود.
کلیدواژه‌ها [English]
ارتفاع ناوی, ساختار کف پا, سختی مفصل, شروع گام‌برداری, کف پای صاف
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