Evaluation of head posture using an inertial measurement unit

Abstract An inertial measurement unit (IMU) is an electronic device that measures and track the orientation of a body. We conducted this study in accordance with the STARD guidelines to evaluate the accuracy of IMU (index test) for measuring head posture compared to the current gold standard using a...

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Autores principales:	Mustafa Al-Yassary, Kelly Billiaert, Gregory S. Antonarakis, Stavros Kiliaridis
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/249f2a7d996045ebbd8fc2022610ff28
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spelling	oai:doaj.org-article:249f2a7d996045ebbd8fc2022610ff282021-12-02T16:56:48ZEvaluation of head posture using an inertial measurement unit10.1038/s41598-021-99459-72045-2322https://doaj.org/article/249f2a7d996045ebbd8fc2022610ff282021-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-99459-7https://doaj.org/toc/2045-2322Abstract An inertial measurement unit (IMU) is an electronic device that measures and track the orientation of a body. We conducted this study in accordance with the STARD guidelines to evaluate the accuracy of IMU (index test) for measuring head posture compared to the current gold standard using a cervical range of motion (CROM) device. The reproducibility of the hunter and mirror-guided head posture was also evaluated. In vitro and in vivo tests were carried out to assess the validity of the IMU. To assess reproducibility, thirty healthy young adults were asked to look at four different locations in two different sessions while the head posture was recorded. Excellent correlation (r = 0.99; p < 0.001) was found between the IMU and CROM device with an absolute mean difference of 0.45° ± 0.58° (p = 0.85) for the in vitro test and 0.88° ± 1.20° (p = 0.99) for the in vivo test. For the reproducibility test, moderate to good correlation coefficients were found (r = 0.55 to 0.89; all p < 0.05) between the two sessions. The intraclass correlation coefficient ranged from moderate to excellent reliability (ICC from 0.74 to 0.96). These results suggest that the IMU sensors, when calibrated correctly, can be adequate to analyze head posture.Mustafa Al-YassaryKelly BilliaertGregory S. AntonarakisStavros KiliaridisNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mustafa Al-Yassary Kelly Billiaert Gregory S. Antonarakis Stavros Kiliaridis Evaluation of head posture using an inertial measurement unit
description	Abstract An inertial measurement unit (IMU) is an electronic device that measures and track the orientation of a body. We conducted this study in accordance with the STARD guidelines to evaluate the accuracy of IMU (index test) for measuring head posture compared to the current gold standard using a cervical range of motion (CROM) device. The reproducibility of the hunter and mirror-guided head posture was also evaluated. In vitro and in vivo tests were carried out to assess the validity of the IMU. To assess reproducibility, thirty healthy young adults were asked to look at four different locations in two different sessions while the head posture was recorded. Excellent correlation (r = 0.99; p < 0.001) was found between the IMU and CROM device with an absolute mean difference of 0.45° ± 0.58° (p = 0.85) for the in vitro test and 0.88° ± 1.20° (p = 0.99) for the in vivo test. For the reproducibility test, moderate to good correlation coefficients were found (r = 0.55 to 0.89; all p < 0.05) between the two sessions. The intraclass correlation coefficient ranged from moderate to excellent reliability (ICC from 0.74 to 0.96). These results suggest that the IMU sensors, when calibrated correctly, can be adequate to analyze head posture.
format	article
author	Mustafa Al-Yassary Kelly Billiaert Gregory S. Antonarakis Stavros Kiliaridis
author_facet	Mustafa Al-Yassary Kelly Billiaert Gregory S. Antonarakis Stavros Kiliaridis
author_sort	Mustafa Al-Yassary
title	Evaluation of head posture using an inertial measurement unit
title_short	Evaluation of head posture using an inertial measurement unit
title_full	Evaluation of head posture using an inertial measurement unit
title_fullStr	Evaluation of head posture using an inertial measurement unit
title_full_unstemmed	Evaluation of head posture using an inertial measurement unit
title_sort	evaluation of head posture using an inertial measurement unit
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/249f2a7d996045ebbd8fc2022610ff28
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Evaluation of head posture using an inertial measurement unit

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