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Register a new userStuding The Chingeing Of Knee Movement For Patellafemoral Pain During Walking In Sagittal Plane
دراسة تغير حركة زاوية مفصل الركبة أثناء المشي في المستوي السهمي للمصابين بتناذر فخذي داغصي
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الهدف من هذا البحث هو دراسة تغير حركة زاوية مفصل الركبة أثناء المشي في المستوي السهمي للمصابين بالتناذر الفخذي الداغصي patellafemoral pain, و لهذا أهمية كبيرة في تقييم استقرار مفصل الركبة لهؤلاء المرضى و إن الهدف البعيد لهذه الدراسة هو المساعدة في تشخيص حالات ضعف العضلات. تم قياس تغيّر زاوية الركبة بالمقياس الزاوي الكهربائي المرن (electro-goniometer), و تم استخدام حساسات على القدم لتحديد بداية و نهاية دورة المشي, و تمت معالجة الإشارة الملتقطة في برنامج الماتلاب. تمت القياسات في مختبر الميكانيك الحيوي في مشفى حاميش بدمشق, و تم دراسة مجموعتين: المجموعة الأولى 46 عينة طبيعية و المجموعة الثانية: 21 عينة من المرضى المصابين بتناذر فخذي داغصي. و تدل النتائج إلى وجود تأثير واضح للمرض على حركة زاوية مفصل الركبة, حيث لايوجد انقباض في طور التلامس للمرضى باستثناء عدد قليل من العينات, حيث كانت قيمة الانقباض في طور التأرجح للمرضى المصابين بتناذر فخذي داغصي أقل من الطبيعي بنسبة 0.67, كذلك يوجد تفاوت بين قيم الانقباض في طور التأرجح للمرضى حيث أن الانحراف المعياري للقيم هو: 12.03, كذلك لوحظ أن أغلب العينات المريضة لديها دورة مشي طويلة نسبياً حيث أنها للمرضى أكبر من الطبيعي بنسبة 1.39.1..
The aim of this paper is to study the changes of knee movement during walking for patella femoral pain using flexible electro-goniometry, This is very important for gait research and stability of knee, the start and end of the gait cycle were determined by foot sensors, A program was designed for signal processing of the data by Mat lab, Testes were carried out at Hamish hospital in Damascus, Subjects were divided into two groups: 46 normal subjects and 21 patients. Results showed that the lesion effect on knee movement which the values of knee flexion are less than normal, In the stance phase it is noted that the knee cancels its first flexion, and In swing phase it noted that the decrease in knee flexion. It was also noted that these values were varied between the patient tested.
References used
BEGG Rezaul. Overview of Movement Analysis and Gait Features, This paper appears in the publication, Computational Intelligence for Movement Sciences: Neural Networks and Other Emerging Techniques-edited by Rezaul Begg and Marimuthu Palaniswami. Idea Group publishing, 701 E. Chocolate Avenue, Suite 200, Hershey PA 17033-1240, USA. 2006
JAMES,R.Gage and SILVIA Onpuu. Seminars in orthopaedics. volume4, no2, 1989, P.P:72:87
HILARY,M.Clayton ;HENK,C.Schamhardt. Measurement Techniques for Gait Analysis, This paper appears in the publication, Equine Locomotion- edited by Willem Back and others. Saunders publishing, 2000
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The aim of this paper is to study the relation between muscles electrical activity and knee movement during walking for patient with patellafemoral pain by measurement both of electromyography (EMG) and changing of knee angle by electro-goniometer. T
he start and end of the gait cycle were determined by foot sensors, A program was designed for signal processing of the data, Testes were carried out at Hamish hospital in Damascus.
Subjects were divided into two groups: 46 normal subjects and 21 patient. Final results also showed that hamstring group activity and galf group activity decreases during stance phase because knee cancel it first flexion with increase in quadriceps femoris activity to keep extension of knee.
In swing phase, it is noted that the decrease in knee flexion and it depends on the increase in quadriceps femoris activity in all the period of swing phase, but hamstring group activity increases to keep hip instability, that is, it responds to increase activity of
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electro-goniometer. the start and end of the gait cycle were determined by foot sensors, a
program was designed for signal processing of the data, testes were carried out at hamish
hospital in damascus. subjects were divided into two groups: 46 normal subjects and 10
patient. final results showed that the knee cancels its first flexion, there are activity of calf
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