تقنين اختبار (القضاة،2011) لقياس المدى الحركي المحوري للفقرات القطنية
Abstract
ملخص
هدفت هذه الدراسة إلى التحقق من صدق وثبات اختبار (القضاة، 2011) الذي اعتمد على تحكيم الخبراء فقط، والتعرّف إلى علاقة الزاوية المتشكلة ما بين عظمي الفخذين والساقين (45) ْو (90) ْو (120) ْ في ذلك الاختبار مع مستوى الدوران المحوري المقطعي في الفقرات القطنية. حيث أجريت هذه الدراسة على (12) من المتطوعين الذكور الأصحاء، باستخدام جهاز التصوير الشعاعي السّيني من المنظر الخلفي بثلاثة أوضاع بدنية مختلفة مع الدوران المحوري إلى اليمين واليسار خلال كل وضع. واستخدم الباحث استمارة ثلاثية لوصف الدوران المحوري القطني المقطعي بثلاث مستويات:}عدم وجود دوران، وجود دوران بسيط، وجود دوران كبير{, وتصف الدوران المحوري في الفقرات: الصدرية العاشرة (T10) ولغاية الفقرة العجزية الأولى (S1) على التوالي. حيث تمّ أخذ المتوسط الحسابي للدرجات لكل صورة من صور الأشعة الستة. وقد تمّ جمع البيانات وتحليلها إحصائياً باستخدام اختبار المتوسطات الحسابية والانحرافات المعيارية واختبار تحليل التباين الأحادي واختبار شافيه.
وقد أظهرت النتائج وجود دوران محوري في الفقرات الصدرية : (T10)، (T11)، (T12) فوق الفقرات (L1)، (L2)، (L3)، (L4)، (L5) و (S1) وذلك عند الزاوية (45) ْدرجة المتشكلة بين الفخذين والساقين. كذلك وعند نفس الزاوية: وجود فروق ذات دلالة إحصائية في متغير الدوران المحوري القطني المقطعي بين الفقرة(T12) والفقرة (L1).
وقد استنتجت الدراسة أنّ اختبار (Al-Qudah, 2011) لقياس المدى الحركي المحوري للمنطقة القطنية وبصورته الحالية لا يتصف بمواصفات الاختبار الجيد، حيث تمّ تعديل مواصفات وشروط الاختبار، وأنّ الاختبار المعدّل يمكن أن يقيس مستوى الدوران المحوري بين الفقرة(T12) والفقرة (L1) فقط.
وأوصى الباحث باستخدام اختبار (Al-Qudah, 2011) المعدّل لقياس مستوى الدوران المحوري بين الفقرة(T12) والفقرة (L1).
Standardization of (Al-Qudah, 2011) Test For Measuring the Segmental Axial Lumbar Range of Motion
Abstract
This study aimed to verify the Validity and Reliability for (Al-Qudah,2011) test (which relied on expert arbitration) and to identify the effect of the formed angle degrees (45),(90) and (120) between the thighs and legs on the level of axial rotation in the lumbar spine; as in the description of that test. This study was conducted on (12) healthy males volunteers using a radiographic apparatus (X-Ray) at the Posterior view using three different Somatic positions during rotating trunk axially to the right and left.
The Researcher used a form to describe the axial lumbar rotation level for each vertebrae {no rotation (Absent), the existence of a simple rotation (Minimal), and existence of a large rotation (Significant)}, to describes the Axial Rotation from the Tenth Thoracic (T10), to the first Sacral (S1). All grades were collected for each single (X ray) picture, the grades averages were taken and analyzed statistically using tests: means, standard deviations, one way ANOVA, Scheffe.
Results showed that when the formed angle degree between the thighs and legs was (45), an axial rotation was found in the thoracic spine vertebras (rotation was Significant): (T10), (T11), (T12), while the lumbar spine region was stable (rotation was absent): (L1), (L2), (L3), (L4), (L5) and (S1). Also, at the same formed angle degree, there was significant difference between vertebras: (T12) and (L1) at the aspect of axial rotation.
Conclusion: the current form of (Al-Qudah, 2011) test for measuring the Lumbar Axial range of motion is not showing the properties of a Valid test specification. So, the condition was modified. The Axial Lumbar range of motion between (T12) and (L1) vertebras {when the formed angle degree between the thighs and legs is (45)} can be measured only by using the modified test of (Al-Qudah, 2011). Recommendation: It was suggested to publish the modified test of (Al-Qudah, 2011) for measuring the Lumbar Axial range of motion between (T12) and (L1) vertebras; when the formed angle degree between the thighs and legs is (45). Also Research in this field is deemed necessary using the same modified test during multi acute angles formation; to identify there effect on the segmental axial rotation in the lumbar spine; in both males and females subjects.
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DOI: http://dx.doi.org/10.35682/847
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