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Trade-Offs Between Simplifying Inertial Measurement Unit–Based Movement Recordings and the Attainability of Different Levels of Analyses: Systematic Assessment of Method Variations

Trade-Offs Between Simplifying Inertial Measurement Unit–Based Movement Recordings and the Attainability of Different Levels of Analyses: Systematic Assessment of Method Variations

There is a wide interest in studying human activity with inertial measurement unit (IMU)-sensors in a variety of disciplines, including health care, developmental psychology, education, and sociology [1-6]. The objective physical measures of acceleration and gyration from the IMU sensors are considered to provide a significant complement, or alternative, to the traditionally used questionnaires [7] and expert assessments [8], both of which are compromised by subjectiveness and inherent ambiguities.

Manu Airaksinen, Okko Räsänen, Sampsa Vanhatalo

JMIR Mhealth Uhealth 2025;13:e58078