بررسی ریسک فاکتورهای آسیب ACL با استفاده از زوایای سه بعدی مفاصل اندام تحتانی در حین فرود تک پا در ورزشکاران دارای کف پای صاف و سالم

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری بیومکانیک ورزشی دانشگاه خوارزمی تهران، تهران، ایران

2 دکترای بیومکانیک ورزشی، استادیار و هیئت علمی دانشگاه خوارزمی تهران، تهران، ایران

3 استادیار بیومکانیک ورزشی، بخش علوم ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه شیراز، شیراز، ایران

چکیده

مقدمه و اهداف
امروزه دانستن تغییرات زوایای مفاصل اندام تحتانی در حین فرود، بینش خوبی برای پیش­گیری از بروز آسیب­های زانو در افراد دارای کف پای صاف خواهد داد؛ لذا هدف تحقیق حاضر، مقایسه زوایای مفاصل اندام تحتانی به عنوان ریسک­فاکتور آسیب ACL هنگام حرکت فرود تک­پا در ورزشکاران دارای کف پای صاف و نرمال بود.
مواد و روش­ ها
در پژوهش حاضر 10 مرد جوان ورزشکار دارای کف پای صاف و 10 مرد جوان ورزشکار دارای قوس پای طبیعی در این تحقیق شرکت کردند. میزان قوس کف پا از طریق آزمون افتادگی استخوان ناوی اندازه­گیری شد. میزان افتادگی بین 5 تا 9 میلی­متر در گروه پای معمولی و بیشتر از 10 میلی­متر در گروه کف پای صاف قرار گرفتند. داده‌های کینماتیکی و کینتیکی با استفاده از دوربین­های ثبت حرکتی و صفحه نیرو ثبت گردید. پردازش داده­ها با استفاده از نرم­افزار متلب انجام گردید و پارامترهای زوایای مفاصل اندام تحتانی در اوج فلکشن زانو در سه صفحه حرکتی از طریق آزمون آماری مانوا و در سطح معناداری 05/0 مورد تجزیه و تحلیل قرار گرفت.
یافته­ ها
یافته­ ها نشان داد تفاوت معناداری بین دو گروه در اندازه زاویه والگوس مفصل زانو (045/0=p) و مفصل ران (037/0=p) در صفحه فرونتال مشاهده گردید. در صفحات دیگر و مفاصل دیگر تفاوت معناداری مشاهده نشد.
نتیجه­ گیری
به نظر می‌رسد تغییر در وضعیت طبیعی قوس پا و در نتیجه راستای بدن، زوایای مفاصل اندام تحتانی را در طی فعالیت­های روزانه و ورزشی تحت تاثیر قرار می­دهد که متعاقباً می­تواند الگوی آسیب را تغییر دهد. نتایج تحقیق حاضر می­تواند در برنامه­ریزی موفق­تر اقدامات توانبخشی و حرکتی افراد مبتلا به کف پای صاف مؤثر واقع شود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

ACL Risk Factors Using Lower Limb Joint Angles in Single-Leg Drop Landing between Young Athletes with Normal and Flatfeet

نویسندگان [English]

  • Omid Rajaeian 1
  • Mehdi Khaleghi 2
  • Ali Abbasi 2
  • Fereshteh Eftekhari 3
1 PhD Student of Kharazmi University of Tehran (Physical Education)
2 Assistant Professor of Kharazmi University of Tehran (Physical Education)
3 Assistant Professor, Department of Sport Science, School of Education and Psychology, Shiraz University, Shiraz, Iran
چکیده [English]

Background and Aim: Knowledge of the changes of lower limb joint anglesduring landing provides good fundamental understanding to prevent knee injuries in people with flatfeet. Hence, the purpose of the present study was to compare lower limb angles as ACL risk factor during single leg drop landing in athletes with flatfeet and normal.
Materials and Methods: In the current investigation, 10 young male athletes with flatfeet and 10 young male athletes with normal foot participated. The foot arch was measured using navicular drop test. Navicular drop between 5 to 9 mm was classified as normal foot and navicular drop greater than 10 mm as flatfeet. The kinematic and kinetic data were recorded using motion analysis and force plate. Data processing was performed via Mathlab software and lower limb angles parameters in knee maximum flexion in three motion plates were statistically analyzed running MANOVA at significance level of α = 0/05.
Results: Significant differences were observed between the two groups in knee valgus (p=0/045) and hip adduction (p=0/037) angles in frontal plane. No Significant differences were observed between the two groups in other joint angles in other planes.
Conclusion: According to the results, changes in the normal structure of the foot arch and consequently body alignment might affectlower limb angles in daily activities and sport that can cause changes in the pattern of injuries. The results of the current study can help better organize a rehabilitation program and activities for those with flatfeet.

کلیدواژه‌ها [English]

  • Lower Limb joint angle
  • Flatfoot
  • single-leg drop landing
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