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Updated: Feb 4, 2026

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Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis
Published on: July 22, 2014
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Diseño y evaluación de una herramienta de entrenamiento de prótesis mioeléctrica centrada en el usuario y en realidad
Resumen
El entrenamiento en realidad extendida (XR) utilizando el sistema MyoTrainXR mejoró significativamente el control mioeléctrico para usuarios de prótesis. Este enfoque centrado en el usuario mejoró la finalización de tareas y la generalización de habilidades, mostrando una gran promesa para la rehabilitación.
Área de la Ciencia:
- Ingeniería de Rehabilitación
- Interacción Humano-Computadora
- Prótesis y Ortesis
Sus antecedentes:
- La realidad extendida (XR) ofrece una plataforma novedosa para el entrenamiento mioeléctrico, crucial para el control avanzado de prótesis.
- Las necesidades de los usuarios son primordiales en el desarrollo de tecnologías de asistencia efectivas para personas con pérdida de extremidades.
- El control mioeléctrico requiere un entrenamiento exhaustivo para lograr la competencia y la independencia funcional.
Objetivo del estudio:
- Identificar las necesidades de los usuarios para una herramienta de entrenamiento mioeléctrico ideal.
- Desarrollar y evaluar el sistema de Entrenamiento Mioeléctrico en Realidad Extendida (MyoTrainXR).
- Evaluar la usabilidad y efectividad del sistema para mejorar las habilidades de control mioeléctrico.
Principales métodos:
- Entrevistas cualitativas con terapeutas ocupacionales para definir los requisitos del usuario.
- Desarrollo del sistema MyoTrainXR incorporando la retroalimentación del usuario.
- Evaluación de usabilidad con participantes con miembros intactos y pérdida de extremidades transradial utilizando tareas específicas.
Principales resultados:
- Mejoras significativas en las tasas de finalización de tareas y porcentajes de éxito para todos los participantes.
- Tiempos de finalización de iteraciones reducidos, lo que indica una mayor eficiencia (p < 0,05).
- Generalización de habilidades demostrada a tareas no entrenadas y excelente usabilidad del sistema (puntuación media SUS de 81,9).
Conclusiones:
- El sistema MyoTrainXR centrado en el usuario mejora eficazmente la competencia del control mioeléctrico.
- El entrenamiento basado en XR es un enfoque viable y prometedor para los usuarios de prótesis.
- El sistema desarrollado muestra potencial para mejorar los resultados funcionales en la rehabilitación.
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