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Study the contribution Rate of the momentum of some body segments of the overall momentum of the body to the stage of takeoff in the long jump | ||
| Al-Rafidain Journal For Sport Sciences | ||
| Article 2, Volume 17, Issue 56, 2011, Pages 22-35 PDF (0 K) | ||
| DOI: 10.33899/rajsport.2011.6125 | ||
| Authors | ||
| Nadia T. Noori; Thaer Ganem Mala Alow | ||
| Abstract | ||
| Abstract The amount of movement has a significant impact on the achievement during the stage of takeoff in the long jump as a jumper in good performance in order to achieve the highest level of achievement and this requires the jumper to involve all segments of the body in performance. The research aims to identify the percentage contribution of the momentum of the body segments of the momentum the total for the body to the stage of takeoff of the long jump. And to identify the relationship with the momentum of the body and body segments with the level of achievement. The researchers hypotheses that there is disparity between the proportion of the momentum of some segments of the body of the momentum overall in the stage of Takeoff of long jump, researchers used the descriptive approach is adequate to the nature of the research. The sample consists of (6) Jumpers of those who received the first six position in the Iraqi Championship, which was held on the Stadium of Arbil, sports Club, and in order to reach biomechanical analysis the researchers used video imaging and the following programs: I Film (Edit 1.3), Adobe Premier (6.5), ACD See (10), Photo Manager, Auto CAD (2007) and Microsoft Office Excel (2003). The researchers used statistical tools such as the following: The mean, standard deviation, simple correlation and the percentage of contribution. The researchers found that the momentum of the trunk came in first place by a contribution of (0.985), and then came the head in the second by a contribution of (0,953). While the leading leg came third with a contribution of (0.938), after that the takeoff leg came fourthly with a contribution of (0.803) , While the arm that is contrary to the leading leg came fifth with a contribution of (0,749), finally came the arm that is contrary to the takeoff leg with a contribution of (0.080). | ||
| Keywords | ||
| CONTRIBUTION; momentum; long jump | ||
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