Efecto de las diferentes tecnologías del calzado deportivo de running en la actividad del tríceps sural durante la carrera. A propósito de un caso
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Objetivos: Se pretende valorar como varia la actividad muscular de la pierna de un corredor al utilizar diferentes zapatillas deportivas respecto a la condición descalza.
Material y métodos: Se utiliza un tapiz rodante y un equipo de electromiografía de superficie para valorar el pico de máxima actividad muscular en las distintas fases de la carrera (final de la fase de vuelo, apoyo de talón, apoyo medio y despegue). El procedimiento empleado consistió en registrar una grabación de 1 min descalzo y con cada condición de calzado: cámara de aire, control de pronación, boost, minimalista y EVA (etil vinil acetato).
Resultados: Los máximos picos de actividad muscular suceden en la fase de apoyo medio con la zapatilla boost en el gemelo externo (0,6410 mV) y en la fase de despegue con la de control de pronación en el gemelo interno (0,7322 mV) y en el soleo (1,0905 mV).
Conclusiones: La zapatilla boost aumenta la actividad muscular del gemelo externo en todas las fases de la marcha. La zapatilla con control de pronación disminuye la actividad muscular del tríceps sural en la fase de apoyo medio.
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