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  <Article>
    <Journal>
      <PublisherName>developer</PublisherName>
      <JournalTitle>International journal of Information Technology</JournalTitle>
      <PISSN/>
      <EISSN>n</EISSN>
      <Volume-Issue>Volume 40 issue 1</Volume-Issue>
      <PartNumber/>
      <IssueTopic>Multidisciplinary</IssueTopic>
      <IssueLanguage>English</IssueLanguage>
      <Season>2021</Season>
      <SpecialIssue>N</SpecialIssue>
      <SupplementaryIssue>N</SupplementaryIssue>
      <IssueOA>Y</IssueOA>
      <PubDate>
        <Year>-0001</Year>
        <Month>11</Month>
        <Day>30</Day>
      </PubDate>
      <ArticleType>Subject-1</ArticleType>
      <ArticleTitle>The effect of rapid strength exercises for the core muscles in developing the jumping force, speed and accuracy of the spike serve skill of advanced volleyball players</ArticleTitle>
      <SubTitle/>
      <ArticleLanguage>English</ArticleLanguage>
      <ArticleOA>Y</ArticleOA>
      <FirstPage>69</FirstPage>
      <LastPage>75</LastPage>
      <AuthorList>
        <Author>
          <FirstName>Dr. Abdullah Hameed Saleh Al-Thubaini1*</FirstName>
          <LastName/>
          <AuthorLanguage>English</AuthorLanguage>
          <Affiliation/>
          <CorrespondingAuthor>N</CorrespondingAuthor>
          <ORCID/>
        </Author>
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      <DOI/>
      <Abstract>Rapid strength exercises for the muscles of the trunk and abdomen were addressed using methods and special training methods for these muscles and the skill of volleyball crushing is one of the skills that depend mainly on the speed of arm movement and the force of jumping or strength The momentary at the moment of advancement, which is therefore on the speed of the players__ampersandsign#39; body, which requires investing the movements of the various parts in order to find a distinctive kinetic transmission. The research problem arises through a decline in the level of performance of the skill of the spike serve service at the level of advanced players in our country compared to what the players achieve in other countries in international and continental tournaments For the youth category, the experimental approach is used for its suitability to the nature of the problem. The research sample consisted of (14) applicants divided into two groups, and the pre-tests were conducted. The researcher used rapid strength exercises for the trunk muscles using special means and tools, then the post tests. Developing the speed and accuracy of the crushing skill of young volleyball players.</Abstract>
      <AbstractLanguage>English</AbstractLanguage>
      <Keywords>: Deep core, training and spike serve</Keywords>
      <URLs>
        <Abstract>https://developer.ubipayroll.com/ubijournal-v1copy/journals/abstract.php?article_id=13127&amp;title=The effect of rapid strength exercises for the core muscles in developing the jumping force, speed and accuracy of the spike serve skill of advanced volleyball players</Abstract>
      </URLs>
      <References>
        <ReferencesarticleTitle>References</ReferencesarticleTitle>
        <ReferencesfirstPage>16</ReferencesfirstPage>
        <ReferenceslastPage>19</ReferenceslastPage>
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2. Haydar Nawar Hussain; The effect of some educational programs for the development of some kinematic aspects and technical performance of the effectiveness of the long jump for beginners aged (15-16) years, PhD thesis, University of Baghdad - College of Physical Education 2012 pg. 82.&#13;
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3. Qasim Hassan Hussein. Sports Psychology, Its Principles and Applications in the Field of Training: (Baghdad, Higher Education Press, 1990)&#13;
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11. Al-Hali, M. J., Al-Saffah, R. H., and; Athab, N. A. (2019). Studying Points of Difference in Body Parts’ Center of Weight And Their Relation to Rhythmic Balance of Female Students. journal of physical education, 31(4).&#13;
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12. Ahab, N. A. K., and; Hassan, A. A. Analysis Study To The Joint Pain Of Knee With Indication Of Loading Mechanics For Players The researchers.</References>
      </References>
    </Journal>
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