تعد فعالية دفع الثقل واحده من الفعاليات المميزة بألعاب القوى، وهي أحدى فعاليات الرمي الأربعة (رمي الرمح, رمي القرص, أطاحة المطرقة, دفع الثقل) وتطلب قدرات بدنية وقابليات حركية خاصة والتي تعتمد بشكل فعَال ومؤثر على النواحي البايوميكانيكية, خصوصا عندما يتعلق الأمر بذوي الأعاقة ومنهم فئة (40f) والذين يتمتعون بدعم كبير من المجتمع الدولي بصورة عامة وفي بلدانهم بصورة خاصة وأمكانية تطوير أنجازاتهم لرفع أسم بلدانهم في المحافل الدولية. وتبرز أهمية البحث من خلال تحليل المسار الحركي لبطل العالم العراقي جراح نصار من خلال تحليل بعض المؤشرات البايوميكانيكية لمرحلة وضع القوة (تجهيز القوة) والتي تعتبر من اهم المراحل الفنية المؤثرة بالانجاز النهائي للاعبي دفع الثقل من الزحلقة أن كانوا أسوياء أم من ذوي الإعاقة.وتمحورت مشكلة البحث حول أهمية التعرف على القيم الرقمية للمؤشرات الميكانيكية لأبطالنا الذين حققوا كم من المداليات الملونة لوصف نتائجهم لمدربيهم وزملائهم للعمل على الوصول الى هذه الجزيئات وتطبيقها في تحسين الآداء الفني ورفع مستواهم أضافة الى أهمال الجانب البايوميكانيكي لهذه الفعالية من خلال عدم أستعمال التحليل الحركي والتعرف على نقاط الضعف بدقة عالية في فعالية سريعة لايتجاوز زمن المحاولة فيها الثانيتين أضافة الى عدم الاهتمام من قبل المدربين بخصائص قيم المؤشرات البايوميكانيكية المؤثرة في بعضها البعض لكي يبرمجوا برامجهم التدريبية بغية تحقيق أهدافهم بأسرع مايمكن وتوفيرا للجهد والوقت المبذول.وهدف البحث إلى التعرف على أهم المؤشرات البايوميكانيكية الخاصة بمرحلة وضع القوة وهي طول الخطوة لقدم الأرتكاز وزمن الخطوة لقدم الأرتكاز وسرعة الخطوة لقدم الأرتكاز وزاوية الأسناد وزاوية الدفع وزاوية اتجاه القدم الخلفية في وضع القوة والعلاقة بين هذه المؤشرات مع الإنجاز المتحقق للاعبي ذوي الاعاقة فئة (40f) بدفع الثقل.وأستعملت الباحثتان المنهج الوصفي والعلاقات الأرتباطية في دراستهما الحالية لملائمته طبيعة مشكلة الدراسة وتألف مجتمع البحث من لاعب المنتخب الوطني العراقي فئة (40f) (جراح نصار) أذ تم أخذه بالطريقة العمدية وأجري الأختبار له خلال معسكره التدريبي ببغداد في ملعب كلية التربية البدنية وعلوم الرياضة / الجادرية أستعدادا للبطولات الخارجية وتم أخذ ستة محاولات كما في السباقات الرسمية وتم أستعمال كامرتي تحليل نوع (CASIO FH13.5) بسرعة 120 لقطة بالثانية وتم أجراء عملية التحليل الحركي ببرنامجي التحليل Tracker)) و( Kenova ) أذ تم أستعمال برنامج Tracker)) لقياس المسافات والازاحات والأرتفاعات المتحققة وتم أستعمال برنامج(Kenova) لقياس السرعة والتعجيل والأزمان المتحققة لعينة الدراسة وبعد تحليل ومناقشة النتائج توصلت الباحثتان الى وجود علاقة أرتباط طردية بين طول الخطوة لقدم الأرتكاز وسرعة الخطوة لقدم الأرتكاز علاقة أرتباط عكسية بين زمن الخطوة لقدم الأرتكاز والإنجاز وعدم وجود علاقة أرتباط بين زاوية الأسناد وزاوية الدفع وزاوية اتجاه القدم الخلفية مع الأنجاز وفي ضوء ذلك توصي الباحثتان باجراء دراسات موسعه لهذه الفعالية لتشخيص نقاط الضعف والقوه في الأداء الفني والاهتمام بالجانب البايوميكانيكي من قبل المدربين والتأكيد على وضع القوة
There are great figures in our nation, who are famous for their encyclopedia in their sciences, and their fame spreads across the horizons for what they presented to their religion and nation.
So they became torches of guidance, advocates of goodness, and treasuries of knowledge until God inherits the earth and those on it.
Among these imams is Imam al-Qurtubi, who died in the year (671 AH), after whom he left a great legacy of valuable books, including this one, which is the subject of my research, his valuable interpretation (Al-Jami’ Li Ahkam Al-Qur’an). Taking from him and his approach in interpreting the verses of judgment, following the method of extrapolation, investigation and deduction to know his style, which he used
Aims to find out the (Extent of mathematics teachers' appreciation of the mathematical problem `multiple solutions) Research sample consisted of (100) mathematics teachers distributed on the General Directorates of Education in Baghdad (Rusafa 1/2/3) and (Karkh 1/2/ 3) There was two research approach which are: The first - two different answers of students to the same issue where teachers must assess each answer and explain which one the teacher will accept and why? The second - Different solutions of students' to the same issue, including wrong answers , Teachers should correct the answers and give them final grades (0-10). Descriptive and analytical Approch was used in this research methodology And zero hypotheses, which are as f
... Show MoreThe research deals with a very important topic, which is social security viewed in the context of criminal protection for state security and the challenges it faces after a decisive change in the methods of war. The research also presents a different division of the generations of wars. We limit ourselves to four of them based on the change in the strategic war objectives and not just the means of committing them. This is because these means are not suitable for describing the real changes in the patterns of wars and the goals that it seeks to achieve. The research stresses the importance of putting the concept of state security in its correct framework, which is part of social security, so that the interest of the political system and the
... Show MoreAthletics are different from other games as a competition between individuals to show their competence and physical ability to achieve new record numbers in the various activities and various between the boards, jumping and throwing and each type of these activities in particular performance so found the researcher to find the method of training resistors in the development of special power and achievement In the effectiveness of javelin, where the researchers chose the sample of the athletes from the specialized school of athletics to effectively throw the spear at the ages of 15-17 years and carried out the tests of the research, which includes the strength of the speed of the arms and explosive power and The various resistance exercise
... Show MoreThe researcher attempts to examine Barman model in acquiring the historical concepts among fourth-grade students at literary classrooms. To this end, the researcher held the null hypothesis, there is no significant difference between the experimental groups who was taught based on Barman model and the control group that taught based on the traditional method in acquiring the historical concepts on the post-test. To testify the effectiveness of Barman model, the researcher administered a questionnaire included (60) items on bunch of female-students who were selected from al-khamaeal preparatory school in al-hurriyah district in Baghdad. The author utilized different statistical tools to analyze the collected data. &
... Show MoreThe research problem stems from a chief question: “What is the nature of the responsibility that «Al-Sabah Al-Jadeed» and «Al-Mada» Newspapers have undertaken in promoting the values of citizenship and national belonging in the society? The research aims to achieve a number of goals, including: Determining the most prominent themes that were emphasized in the opinion articles in these two newspapers within the framework of the responsibility of promoting the values of citizenship and national belonging in society, and revealing the most prominent topics that were discussed in opinion articles in the two sample newspapers regarding the promotion of the mentioned values. This research is a desc
... Show MoreThe aim of the research is to measure the length between the variable the efficiency of the tax examiner with its dimensions represented by (scientific questions, practical process (experience), training and development, impartiality and independence, ethics of the profession) and the approved variable discovering the artificial adaptation of profits, and the degree of arrangement of those dimensions its importance and priority, and the research problem has been identified In a main question that is there any effect of copying the images of the image examiner in discovering the adaptation, the financial statements and reports of the companies (X, Y) and the banks (A, B) were relied on in the interpretation of the results, t
... Show MoreWhat distinguishes human rights issues is their importance to the international community and their importance to democratic political regimes, because they are the axis of any political regime that seeks to achieve a successful democratic path and a stable state. So, countries that are interested in human rights try to enshrine those rights and freedoms in their constitutions and reinforce their concepts in their laws and legislations. Not to mention its involvement in international conventions and treaties concerned with human rights and freedoms, and this is what the Sultanate of Oman has worked on and confirm in the provisions of its 1996 constitution and its amendments
The research section tagged (Aesthetics of Abstract Expressionism and its Representations in the Artistic Products of Students of the Department of Art Education) into four chapters and it included in..
The first chapter: (the methodological framework) for the research, and the research problem is summarized through the question (what are the aesthetics of abstract expressionism and its representations in the artistic productions of the students of the Department of Art Education). In the products of students of the Department of Art Education).
The aim of the research was (discovering the aesthetics of abstract expressionism and its representations in the artistic products of the students of the Department of Art Education). As we