إستخدام تمرينات تعليمية في تطوير أهم المتغيرات البايوكينماتيكية لمهارة الدحرجة الخلفية على بساط الحركات الأرضية لطلاب المرحلة الثانية، كلية التربية البدنية وعلوم الرياضة، جامعة ديالى
The back-rolling skill on the floor mat is one of the basic and methodological skills for students of physical education and sports sciences, as it is an introductory movement for other connecting movements. Because of its difficulty as one of the skills in which the center of gravity of the body is relatively far from the ground because the body at one of its stages reaches the position of standing on the hands. skill and then to achieve better performance by developing educational exercises aimed at correcting the errors that accompany performance and which were formed due to a mistake in the application of biokinetic variables and follow up the development of teaching the skill. The researcher, the experimental method, due to its suitability to the nature of the research problem, the research community was selected from the students of the second stage, College of Physical Education and Sports Sciences, University Diyala, numbering (260) students divided into (5) and the two divisions (C and D) were chosen by lottery to represent the two research groups, experimental and control (4) students for each group, and thus the final total of the research sample members is (80) students, and by (40) students represented division (C) the experimental group and (40) students represented division (D) the control group, as they were chosen by random method. (Published abstract)