Inertial Measurement Unit Sensor-to-Segment Calibration Comparison for Sport-Specific Motion Analysis

Autor:	Mitchell Ekdahl, Alex Loewen, Ashley Erdman, Sarp Sahin, Sophia Ulman
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	inertial sensors motion analysis functional calibration wearable sensors sports biomechanics Chemical technology TP1-1185
Zdroj:	Sensors, Vol 23, Iss 18, p 7987 (2023)
Druh dokumentu:	article
ISSN:	1424-8220
DOI:	10.3390/s23187987
Popis:	Wearable inertial measurement units (IMUs) can be utilized as an alternative to optical motion capture as a method of measuring joint angles. These sensors require functional calibration prior to data collection, known as sensor-to-segment calibration. This study aims to evaluate previously described sensor-to-segment calibration methods to measure joint angle range of motion (ROM) during highly dynamic sports-related movements. Seven calibration methods were selected to compare lower extremity ROM measured using IMUs to an optical motion capture system. The accuracy of ROM measurements for each calibration method varied across joints and sport-specific tasks, with absolute mean differences between IMU measurement and motion capture measurement ranging from
Databáze:	Directory of Open Access Journals
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