تعتبر كرة القدم لعبة شعبية معروفة في جميع أنحاء العالم، وهناك العديد من المباريات تلعب يوميا بمختلف المستويات، ولقد فتن الناس بلعبة لا يمكن التنبؤ بنتائجها، ويمكن تحديد نتيجتها في ثوان معدودة عن طريق التحركات غير العادية للخصم أو الأخطاء الدفاعية القاتلة وغالبا ما يلعب حارس المرمى دورا حاسما في نتيجة المباراة ، حيث تعتمد كرة القدم بشكل اساسي على الامكانيات المهارية للاعبين واستغلال هذه الامكانيات بالشكل الامثل خلال التحركات والمناورات التي يقوم بها افراد الفريق بغرض تسجيل اكبر عدد من الاهداف واحراز الفوز، واصبح واضحا انه لابد من توفر المعلومات لدى المدرب عن الخصائص اللازمة لأداء المهارات المختلفة حيث اسهم التطور التكنولوجي في مجال التحليل الميكانيكي في الكشف عن العلاقات المتداخلة بين حركة اجزاء الجسم اثناء تأدية تلك المهارات والتي لايمكن الحصول عليها الا بمتابعة وتحليل حركة اللاعب اثناء مراحل اداء هذه المهارات، وان تطور المجال الرياضي مثله مثل كثير من مجالات النشاط الانساني قائم على تطور العلم ودقة المعلومات، فبدون المعلومات الدقيقة لن يستطيع الرياضي ان يتفاعل مع مدربه خلال الاداء الرياضي المطلوب، وعلى الرغم من أن بحوث كرة القدم واسعة النطاق، إلا أن البحوث المتعلقة بمهارات حارس المرمى وبيوميكانيكية حركاته تعتبر قليلة اذا ماقورنت مع بقية البحوث المتعلقة بالجوانب الاخرى لكرة القدم ، وهكذا، فإنه يبدو مناسبا للبحث في مهارات حارس المرمى بمزيد من التفصيل، حيث يعتبر حارس المرمى العمود الفقري للفريق بسبب المركز الذي يشغله والذي يتطلب منه الدفاع عن مرماه بطريقة متميزة وفعالة ، إذ ان طبيعة المباريات تتطلب أن يمتاز حارس مرمى كرة القدم بمهارات اساسية خاصة، وذالك نتيجة للدور الهام الذي يؤديه والذي يمكنه من الدفاع عن مرماه بإستخدام يداه داخل منطقة الجزاء، وأن طبيعة المباراة تستدعي منه القيام بالأداء المهاري والخططي بقوة وسرعة ودقة ، وحارس المرمى الذي كان يعتبر اخر خط دفاعي اصبح الآن في كرة القدم الحديثة عنصر هجومي هام تبدأ منه اغلب الكرات المرتدة والسريعة بسبب موقعه المتميز، ومن هنا تبلورت مشكلة البحث في توصيف مهارة ارتماء حارس المرمى للامساك بالكرة متوسطة الارتفاع في ضوء نتائج التحليل الكيفي والكمي للناشئين تحت 17 سنة وصولا الى فهم اعمق للاداء الفني والتعرف على نقاط الضعف وعلاجها من خلال اساليب التدريب المختلفة وبالتالي القدرة على تحسين وتوجيه العملية التدريبية وصولا للمثالية في الاداء
The present study is considered the first on this sector of the Tigris River after 2003. It is designed for two aims, the first is to demonstrate the seasonal variations in physicochemical parameters of Tharthar-Tigris Canal and Tigris River; the second is to explain the possible effects of canal on some environmental properties in the Tigris River. Water samples were being collected monthly. Six sampling sites were selected, two on Tharthar Canal and four along the Tigris River, one before the confluence as a control site and the others downstream the confluence with the canal. For a period from January to December 2020, nineteen physicochemical parameters were investigated including air and water temperature, turbidity, electrical cond
... Show MorePvcABCD are cluster of genes found in Pseudomonas aeruginosa. The research was designed to examine the relationship between the pvc genes expression and cupB gene, which plays a crucial role in the development of biofilm, and rhlR, which regulates the expression of biofilm-related genes, and to investigate whether the pvc genes form one or two operons. The aims were achieved by employing qRT-PCR technique to measure the gene expression of genes of interest. It was found that out of 25 clinical isolates, 21 isolates were qualified as P.aeruginosa. Amongst, 18(85.7%) were evaluated as biofilm producers, 10 (47.6%), 5 (23.8%), and 3 (14.2%) were evaluated as strong, moderate and weak producers respectively, while, 3 (14.2%) were considered
... Show MoreThis article conclude a theoretical study for the possibility to produce additional electric power from Iraqi steam power plants by cutting – off high-pressure feed water heaters . Three separated steam power plants which Dura , south –Baghdad and Nasria were studied . The investigation showed the possibity of increasing the electric power from 10 to 15% for Dura and Nasria , whereas 6% for south – Baghdad . According to the nowadays of operation to Iraqi steam power plants , the results showed that by cutting–off high pressure feed water heaters we can generate additional electric power about 250 MW during 3-4 hrs. daily. In addition, the fuel consumption can be reduced in comparison with diesel generat
... Show MoreThe reasons for the totality are varied and multiple, some of which are attributed to the methods of the Arabic language as the participant
Verbal and omnipotent differences in the oud of conscience, which are comprehensive reasons for language in all
And some of these reasons are due to the sciences of the Qur'an, such as cessation and initiation
The explanation of the explanation for the multiplicity of words and differences in them, which necessarily led to a dispute jurisprudence
Linked to the origin of disagreement in the interpretation of the totality and its orientation and understanding and to summarize this subject and diverge
Parts and vocabulary did not receive the necessary care and did not absorb the lesson an
The research addresses the role of the digital economy in the growth of the Iraqi economy during the period from 2010 to 2022. The research is based on the hypothesis that the digital economy has become one of the primary growth drivers worldwide and has a close relationship with economic development. Therefore, the digital transformation in Iraq can accelerate bridging developmental gaps with other countries.
It has become evident that the Iraqi economy suffers from structural imbalances for various reasons, hindering economic growth. These reasons include political and economic factors, as well as the absence of a well-thought-out policy to promote the agricultural sector, which is considered one of the fundamental sectors capa
... Show MoreIn this research, the one of the most important model and widely used in many and applications is linear mixed model, which widely used to analysis the longitudinal data that characterized by the repeated measures form .where estimating linear mixed model by using two methods (parametric and nonparametric) and used to estimate the conditional mean and marginal mean in linear mixed model ,A comparison between number of models is made to get the best model that will represent the mean wind speed in Iraq.The application is concerned with 8 meteorological stations in Iraq that we selected randomly and then we take a monthly data about wind speed over ten years Then average it over each month in corresponding year, so we g
... Show MoreThe research dealt with a study of economic diversification indicators in Iraq and an indication of the extent to which economic diversification events are desirable in its sectors because desirable diversification events are truly the best means of targeting a fair distribution of income. The research included studying the experiences of selected countries for Norway and Chile, and studying economic indicators and policies for each of them in order to benefit From these two experiences, the research has concluded that the Iraqi economy suffers from a large concentration of the oil sector, which made the Iraqi economy unilateral in which oil represents 90% according to the Herfindel-Hirschman Index, either for Norway and Chile, i
... Show MoreNosocomial infections (NIs) are hospital-acquired associated infections, and also contracted due to the infections or toxins that exist in some location, like hospital. Therefore in our study, 4 Lactic acid bacteria (LAB) isolates were obtained from dairy product (Lactobacillus brevis, L. acidophilus, Lactococcus raffinolactis and Lactococcus lactis) and were tested for Bacteriocin production to select Lactococcus lactis among them. Cell free supernatant (CFS), Lipid and partial purification of protein La. Lactis had high inhibitory effect against test pathogens (E. coli, Bacillus cereus, Staphylococcus aureus and Streptococcus). 30 isolates that diagnosed by Vitec, were isol
... Show MorePurpose: clarify the integrative relationship of strategic leadership skills and effective management and the role of those skills combined or individually in achieving effective management.
Research design: The researchers used the quantitative method by surveying a class sample from the heads of the executive departments in a group of Iraqi private banks, consisting of (106) individuals according to the (VUCA Prime) methodology for effective management and the ten skills model for Johansen. The questionnaire was analyzed using a model of the structural equation.
Findings: The most prominent results of the research were the presence of a weak ro
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