Journal
MEASUREMENT
Volume 149, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2019.107024
Keywords
Inertial motion capture; IMUs; Perception Neuron; Vicon; Upper body motion analysis; Validation
Funding
- LU-HEFCE Catalyst grant
- LU-EESE startup grant
- Doctoral College of Loughborough University, UK
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The commercially available Perception Neuron motion capture (Mo-Cap) system is a cost effective and easy to use option for motion analysis. However, the accuracy of this system in a practical setting is unknown and needs to be evaluated if it is to be considered for applications that require a specific level of measurement precision. Therefore, the validity of the Mo-Cap system for estimating postural angular kinematics of the upper body was assessed. Upper body motion was evaluated through three-dimensional analysis of functional movements performed by the neck, thorax and shoulders. Range of motion (RoM) estimates were compared to Vicon using Bland-Altman analysis. Systematic biases in neutral to peak RoM differences were all <= 4.5 degrees and random biases <=+/- 4.5 degrees except for neck extension where the values were larger. The present findings suggest that the Mo-Cap system is a valid method for assessing the majority of upper body ROM to within 5 degrees. (C) 2019 Elsevier Ltd. All rights reserved.
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