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106 results for “Sport”
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Research ArticleOpen accessIn the keywordsOptimization of Barbell Trajectory During The Snatch Lift Technique By Using Optimal Control TheoryShahram Lenjan Nejadian, Mostafa Rostami, Farzad TowhidkhahMathematical modeling and optimizing of snatch lift technique based on dynamic synthesis, is the aim of this study. The barbell trajectory is proposed as the performance index, evaluated experimentally by several researchers who have introduced some optimum trajectories according to the percentage of their owners' successes. Since none of the mechanical parameters were considered into the optimum trajectories, we develop … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,716 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSCENARIOS PEDAGOGICAL-EDUCATIONAL MOVEMENT PLAYFrancesco PerrottaThe playtime and recreation plays an important role in child development. “Surplus energy” Spencer says That Both the man and the animal have the excess energy That are used in the activity fun. As we descended into the educational development Spencer Noted there was a decrease of fun Because The energy was used to meet basic needs. He Noted That … …Journal of Social Sciences, Vol. 9, Issue 4 · 29 Jan 2014 · 7,706 accessesView PDFCite
Research ArticleOpen accessIn the keywordsClay Vs. Grass: A Statistical Comparison of the French Open and WimbledonMichael R. SummersProblem statement: While most professional tennis tournaments today are played on hard courts, there is a short clay court season culminating in the French Open and an even shorter grass court season culminating in Wimbledon, where specialists on those surfaces have their chance to shine. Conventional thinking has it that these two surfaces play so differently that it is difficult … …American Journal of Economics and Business Administration, Vol. 3, Issue 2 · 14 Jun 2011 · 8,204 accessesView PDFCite
Research ArticleOpen accessIn the abstractExperimental Investigation on the Failure Mechanism of Bovine Bone by Three-point Bending TestsHua Li, Rujie Gao, Ruiqi Li et al.Bone damage is a common type of sport injury. The loading rate affects the type of fracture and the degree of soft tissue injury. In view of the problem of whole bone bending damage and failure, this paper introduces the test method of bovine bone bending and the mechanism of bending failure under different loading rates is analyzed through experimental … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 3 · 10 Jul 2020 · 6,535 accessesView PDFCite