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Validity of the perception neuron inertial motion capture system for upper body motion analysis

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journal contribution
posted on 2019-10-14, 15:48 authored by Ryan Sers, Steph Forrester, Esther Moss, Stephen Ward, Jianjia Ma, Massimiliano Zecca
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° and random biases ≤±4.5° 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°.

Funding

This work has been partially supported by the LU-HEFCE Catalyst grant, the LU-EESE startup grant, and by the Research Studentship awarded to R. Sers by the Doctoral College of Loughborough University, UK. The authors would also like to thank Mr. Josh Turner, Dr. Ben Clark and all participants for their assistance and time with the data collection.

History

Citation

Measurement, 2020, 149, 107024

Author affiliation

/Organisation/COLLEGE OF LIFE SCIENCES/School of Medicine/Cancer Research Centre

Version

  • AM (Accepted Manuscript)

Published in

Measurement

Publisher

Elsevier for International Measurement Confederation (IMEKO)

issn

0263-2241

Acceptance date

2019-09-01

Copyright date

2019

Publisher version

https://www.sciencedirect.com/science/article/pii/S0263224119308905

Notes

The file associated with this record is under embargo until 12 months after publication, in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.

Language

en

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