A Method for Quantifying Back Flexion/Extension from Three Inertial Measurement Units Mounted on a Horse’sWithers, Thoracolumbar Region, and Pelvis [r-libre/3118]

Hatrisse, Chloé; Macaire, Claire; Hebert, Camille; Hanne-Poujade, Sandrine; De Azevedo, Emeline; Audigié, Fabrice; Ben Mansour, Khalil; Marin, Frederic; Martin, Pauline; Mezghani, Neila; Chateau, Henry et Chèze, Laurence (2023). A Method for Quantifying Back Flexion/Extension from Three Inertial Measurement Units Mounted on a Horse’sWithers, Thoracolumbar Region, and Pelvis. Sensors, 23 (9625). https://doi.org/10.3390/s23249625

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Catégorie de document :	Articles de revues
Évaluation par un comité de lecture :	Oui
Étape de publication :	Publié
Résumé :	Back mobility is a criterion of well-being in a horse. Veterinarians visually assess the mobility of a horse’s back during a locomotor examination. Quantifying it with on-board technology could be a major breakthrough to help them. The aim of this study was to evaluate the accuracy of a method of quantifying the back mobility of horses from inertial measurement units (IMUs) compared to motion capture (MOCAP) as a gold standard. Reflective markers and IMUs were positioned on the withers, eighteenth thoracic vertebra, and pelvis of four sound horses. The horses performed a walk and trot in straight lines and performed a gallop in circles on a soft surface. The developed method, based on the three IMUs, consists of calculating the flexion/extension angle of the thoracolumbar region. The IMU method showed a mean bias of 0.8° (±1.5°) (mean (±SD)) and 0.8° (±1.4°), respectively, for the flexion and extension movements, all gaits combined, compared to the MOCAP method. The results of this study suggest that the developed method has a similar accuracy to that of MOCAP, opening up possibilities for easy measurements under field conditions. Future studies will need to examine the correlations between these biomechanical measures and clinicians’ visual assessment of back mobility defects.
Adresse de la version officielle :	https://www.mdpi.com/1424-8220/23/24/9625
Déposant:	Ayena, Johannes
Responsable :	Johannes Ayena
Dépôt :	08 déc. 2023 16:06
Dernière modification :	08 déc. 2023 16:06

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