Examinando por Materia "CENTRO DE MASA"

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  • Miniatura
    PublicaciónAcceso abierto
    Análisis cinemático del salto en pacientes sin patologías en extremidades inferiores
    (2014-04-23) González-Cruz, C. (Catalina); Bregains, F. (Federico); Braidot, A. (Ariel)
    Vertical jumping is a crucial ability in the performance of several sports such as volleyball, basketball and football. The standing vertical jump is based on several specific independent variables, where each can affect or improve the final performance. The main goal of this study was to examine the kinematic vertical jump in amateurs sportsmen without pathological antecedents in lower limbs, through two types of squat jump. The movement was analyzed using two-dimensional video system and the data were processed with the use of software developed in the laboratory. The angles among segments, positions and displacements of the center of mass and anatomical joints velocities were evaluated, in each variant of the exercise. The results obtained allow the characterization of the standing vertical jump performed by the subject and allow the comparison of both techniques as well. It was demonstrated that this technique improves performance of the vertical jump while using arm swing which leads to an increase in height of the body’s center of mass.
  • Miniatura
    PublicaciónAcceso abierto
    Lección de Física Mecánica # 30 Centro de masa
    (2014-05-29) Betancur-Rodríguez, A. (Amalia); Arango, S. (Sergio)
    Definition of center of mass and applications.