Robotic assessment of neuromuscular characteristics using musculoskeletal models: A pilot study

Computers in Biology and Medicine
V R JayaneththiA J McDaid

Abstract

Non-invasive neuromuscular characterization aims to provide greater insight into the effectiveness of existing and emerging rehabilitation therapies by quantifying neuromuscular characteristics relating to force production, muscle viscoelasticity and voluntary neural activation. In this paper, we propose a novel approach to evaluate neuromuscular characteristics, such as muscle fiber stiffness and viscosity, by combining robotic and HD-sEMG measurements with computational musculoskeletal modeling. This pilot study investigates the efficacy of this approach on a healthy population and provides new insight on potential limitations of conventional musculoskeletal models for this application. Subject-specific neuromuscular characteristics of the biceps and triceps brachii were evaluated using robot-measured kinetics, kinematics and EMG activity as inputs to a musculoskeletal model. Repeatability experiments in five participants revealed large variability within each subjects evaluated characteristics, with almost all experiencing variation greater than 50% of full scale when repeating the same task. The use of robotics and HD-sEMG, in conjunction with musculoskeletal modeling, to quantify neuromuscular characteristics has been expl...Continue Reading

Citations

Mar 6, 2018·Technology and Health Care : Official Journal of the European Society for Engineering and Medicine·Do Hyun KimWon-Gyu Yoo
May 2, 2018·Technology and Health Care : Official Journal of the European Society for Engineering and Medicine·Do Hyun KimWon-Gyu Yoo

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