Lower-limb sensor-to-segment calibration for joint kinematics analysis with Inertial Measurement Units: is there an ideal method?

• Published in: IEEE sensors journal Vol. 22; no. 22; p. 1
• Main Authors: Pacher, Leonie, Chatellier, Christian, Laguillaumie, Pierre, Vauzelle, Rodolphe, Fradet, Laetitia
• Format: Journal Article
• Language: English
• Published: New York IEEE 15.11.2022; The Institute of Electrical and Electronics Engineers, Inc. (IEEE); Institute of Electrical and Electronics Engineers
• Subjects: anatomical frame; Axes (reference lines); Body kinematics; Calibration; Coordinates; Correlation coefficients; Engineering Sciences; Gait analysis; Human motion; inertial measurement unit; Inertial platforms; joint angle measurement; Kinematics; Legged locomotion; lower-limb sensor to segment calibration; Optoelectronics; Pelvis; Range of motion; Reproducibility; Root-mean-square errors; Segments; Sensors; Thigh; Usability

A pre-requisite for obtaining human movement kinematics from Inertial Measurement Units (IMUs) is to define the relative orientation between the IMU coordinate systems and that of the underlying segment: a step called sensor-to-segment (S2S) calibration. Many S2S calibration methods have been propos...