Use of performance indicators in the analysis of running gait impacts
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Use of performance indicators in the analysis of running gait impactsAutor(es)
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2018Cita bibliográfica
Pàmies-Vilà, R., González, F., Kövecses, J. et al. Use of performance indicators in the analysis of running gait impacts. Multibody Syst Dyn 43, 131–151 (2018). https://doi.org/10.1007/s11044-017-9580-9
Resumo
[Summary]
Foot-ground impact is a critical event during the running cycle. In this work, three performance indicators were used to characterize foot-ground impact intensity: the effective preimpact kinetic energy, representative elements of the effective mass matrix, and the critical coefficient of friction. These performance indicators can be obtained from the inertial properties of the biomechanical system and its pre-impact mechanical state, avoiding the need to carry out force measurements. Ground reaction forces and kinematic data were collected from the running motion of an adult that adopted both rear-foot and fore-foot strike patterns. Different running cycles were analysed and statistical tests performed. Results showed that the three proposed indicators are able to illustrate significant differences between fore-foot and rear-foot strike impacts. They also support the hypothesis that fore-foot strike reduces impact intensity. On the other hand, a higher likelihood of slipping during the contact onset is associated with fore-foot strike pattern.
Palabras chave
Biomechanics
Running
Impact dynamics
Foot strike
Performance indicators
Biomecánica
Dinámica de impacto
Pisada
Indicadores de rendimiento
Running
Impact dynamics
Foot strike
Performance indicators
Biomecánica
Dinámica de impacto
Pisada
Indicadores de rendimiento
Versión do editor
Dereitos
Atribución-NoComercial-SinDerivadas 3.0 España