2015 6th International Workshop on Advances in Sensors and Interfaces (IWASI) 2015
DOI: 10.1109/iwasi.2015.7184960
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Instrumented crutches to measure the internal forces acting on upper limbs in powered exoskeleton users

Abstract: Powered exoskeletons have proven to be a reliable solution to provide mobility to persons with spinal cord injury (SCI), but how users can learn to manage these devices is still an open issue. The training required to learn how to use an exoskeleton for assisted walking is currently based on a subjective evaluation of gait by the patient and his therapist, with a trial and error approach that increases the time and effort required to reach an efficient walking rate. To provide therapists information on the tra… Show more

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Cited by 15 publications
(20 citation statements)
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“…However, such systems, while sometimes found in gait analysis laboratories, allow measuring loads on the lower limbs of the patient only, neglecting the shoulder involvement, and assess the therapist contribution by visual observation only, without any quantitative analysis. This paper presents a sensor system that integrates commonly used measurement devices with force sensors developed by the authors (see [6] and [7]). The sensor system is able to assess internal forces acting on shoulders and elbows thanks to a biomechanical model and a numerical inverse dynamic analysis.…”
Section: Indexmentioning
confidence: 99%
“…However, such systems, while sometimes found in gait analysis laboratories, allow measuring loads on the lower limbs of the patient only, neglecting the shoulder involvement, and assess the therapist contribution by visual observation only, without any quantitative analysis. This paper presents a sensor system that integrates commonly used measurement devices with force sensors developed by the authors (see [6] and [7]). The sensor system is able to assess internal forces acting on shoulders and elbows thanks to a biomechanical model and a numerical inverse dynamic analysis.…”
Section: Indexmentioning
confidence: 99%
“…Dentro de la monitorización para el diagnóstico y rehabilitación de enfermedades neurológicas, cabe destacar la importancia de la monitorización de la marcha, ya que los pacientes que sufren una discapacidad en alguna extremidad inferior suelen tener una autonomía reducida, una peor salud física y una menor calidad de vida [2].…”
Section: Introductionunclassified
“…Cada año, se diagnostican más de 15 millones de casos de ictus, siendo una de las principales causas de discapacidad [1]. Además, unas 850 personas por cada millón de habitantes sufren una lesión de la médula espinal [2]. Sin embargo, las escalas clínicas que se utilizan más frecuentemente para el diagnóstico de estas enfermedades o lesiones son subjetivas y proporcionan una resolución limitada, lo que dificulta determinar con precisión cuál es el estado funcional del paciente y cuál es la terapia de rehabilitación más adecuada [3,4].Para evaluar la calidad de movimiento y la mejora del estado funcional de los pacientes gracias a las terapias de rehabilitación, se pueden emplear indicadores cinemáticos, basados en las medidas de diversos sensores [3].…”
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“…Sin embargo, entre las diferentesáreas relacionadas con la salud, la rehabilitación es una de las que menos inserción tecnológica presenta. Tradicionalmente, la evaluación del paciente se ha hecho usando como estándares test clínicos con un carácter subjetivo y escalas con poca granularidad [1,2].…”
Section: Introductionunclassified