Kinematic variations of uphill in mountain bikers
DOI:
https://doi.org/10.47197/retos.v1i40.81430Keywords:
Cycling, biomechanical phenomena, technical style, kinematic characteristicsAbstract
The purpose of this study was to determine the relevant kinematic indicators between Elite and Under-23 categories of cross country mountain bike (MTB) cyclists in the climbing technique. The sample was made up of Under-23 (n=5; 18.8±0.5 years) and Elite (n=7; 24.2±2.0 years) cyclists, all male and right-handed, federated participants of cross-country MTB competitions. The data were recorded from the sagittal plane to the ascending one through a terrain with a slope of 9.5±0.5% with videophotogrammetry. The indicators that showed differences between categories were: left pedaling cycle angular velocity (p=0.04; g=-1.22), left pedaling cycle time (p=0.02; g=1.44), left pedaling cycle angular velocity of the preparatory phase (p=0.03; g=-1.37), while for joint speed; speed of the left hip in clean and jerk phase (p=0.029; g =-1.38), speed of the left ankle (p=0.005; g=-1.94) and right ankle (p=0.002; g=-2.17) in recovery phase.
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Copyright (c) 2020 Esteban Aedo Muñoz, Alberto Rötger Guarda, Ignacio Ria Gamboa, Natalia Rodríguez Zárate, Cristian Rojas Reyes, Nelson Aedo Muñoz, Diego Valenzuela Pérez, David Arriagada Tarifeño, Rodrigo Argothy, James Sepulveda Salazar, Bianca Miarka, Ciro José Brito
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