Associations Between Coordination and Wearable Sensor Variables Vary by Recording Context but Not Assessment Type

Jeffrey D. Konrad, Natasha Marrus, Keith R. Lohse, Kayla M. Thuet, Catherine E. Lang

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Motor coordination is an important driver of development and improved coordination assessments could facilitate better screening, diagnosis, and intervention for children at risk of developmental disorders. Wearable sensors could provide data that enhance the characterization of coordination and the clinical utility of that data may vary depending on how sensor variables from different recording contexts relate to coordination. We used wearable sensors at the wrists to capture upper-limb movement in 85 children aged 6–12. Sensor variables were extracted from two recording contexts. Structured recordings occurred in the lab during a unilateral throwing task. Unstructured recordings occurred during free-living activity. The objective was to determine the influence of recording context (unstructured versus structured) and assessment type (direct vs. indirect) on the association between sensor variables and coordination. The greatest associations were between six sensor variables from the structured context and the direct measure of coordination. Worse coordination scores were associated with upper-limb movements that had higher peak magnitudes, greater variance, and less smoothness. The associations were consistent across both arms, even though the structured task was unilateral. This finding suggests that wearable sensors could be paired with a simple, structured task to yield clinically informative variables that relate to motor coordination.

Original languageEnglish
Pages (from-to)339-355
Number of pages17
JournalJournal of Motor Behavior
Volume56
Issue number3
DOIs
StatePublished - 2024

Keywords

  • accelerometry
  • developmental coordination disorder
  • motor coordination
  • wearable sensors

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