El empleo de la monitorización para el análisis deportivo se ha convertido en una herramienta casi indispensable en el entrenamiento profesional de alto nivel. El poder conocer con exactitud los movimientos realizados por un deportista durante un entrenamiento aportan una gran ventaja con respecto al entrenamiento convencional, ya que si se conoce de forma teórica el movimiento que mejor rendimiento ofrece, el entrenador pretenderá que su deportista aproxime su movimiento real al teórico. Este artículo trata sobre el desarrollo de un sistema de bajo coste para la medición y representación de parámetros cinemáticos en 3D. Para la captura de los movimientos del deportista se ha empleado una unidad de medición inercial (IMU), cuyos datos serán procesados en una placa Arduino y mediante Bluetooth se enviarán los parámetros cinemáticos del movimiento a un teléfono móvil donde serán visualizados en forma de gráficas.
Monitoring of sports practice has become an almost essential tool in high-level professional training. The knowledge of the exact movements performed by an athlete provides a great advantage over conventional training, since the best performance can be theoretically known in advance and the trainer will expect the real athlete’s movements to approximate it. Following this trend, this article deals with the design and development of a low-cost wearable biofeedback system for the measurement and representation of kinematic parameters in 3D. To capture the athlete’s movements, an inertial measurement unit (IMU) is used, whose data are processed in an microcontroller-based architecture. The kinematic parameters of the athlete’s movement are sent via Bluetooth to a smart phone, where they are displayed graphically. Experimental examples show the effectiveness of the device developed and illustrate the key results derived.
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