Please use this identifier to cite or link to this item:
Title: Comparison of a New Inertial Sensor Based System with an Optoelectronic Motion Capture System for Motion Analysis of Healthy Human Wrist Joints
Author: Wirth, Michael Alexander
Fischer, Gabriella
Verdú, Jorge
Reissner, Lisa
Balocco, Simone
Calcagni, Maurizio
Keywords: Cinemàtica
Issue Date: 1-Dec-2019
Publisher: MDPI
Abstract: This study aims to compare a new inertial measurement unit based system with the highly accurate but complex laboratory gold standard, an optoelectronic motion capture system. Inertial measurement units are sensors based on accelerometers, gyroscopes, and/or magnetometers. Ten healthy subjects were recorded while performing flexion-extension and radial-ulnar deviation movements of their right wrist using inertial sensors and skin markers. Maximum range of motion during these trials and mean absolute difference between the systems were calculated. A difference of 10° ± 5° for flexion-extension and 2° ± 1° for radial-ulnar deviation was found between the two systems with absolute range of motion values of 126° and 50° in the respective axes. A Wilcoxon rank sum test resulted in a no statistical differences between the systems with p-values of 0.24 and 0.62. The observed results are even more precise than reports from previous studies, where differences between 14° and 27° for flexion-extension and differences between 6° and 17° for radial-ulnar deviation were found. Effortless and fast applicability, good precision, and low inter-observer variability make inertial measurement unit based systems applicable to clinical settings.
Note: Reproducció del document publicat a:
It is part of: Sensors, 2019, vol. 19, num. 23, p. 5297
Related resource:
ISSN: 1424-8220
Appears in Collections:Articles publicats en revistes (Matemàtiques i Informàtica)

Files in This Item:
File Description SizeFormat 
695290.pdf1.72 MBAdobe PDFView/Open

This item is licensed under a Creative Commons License Creative Commons