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Category

Motor control

Document Type

Paper

Abstract

This study aims to propose a framework for analyzing coordination among release parameters in relation to the shape of variability in performance outcomes and to investigate how such coordination is formed through practice. Participants threw 60 darts toward the center of the dartboard, twice a week for 10 weeks. Intersection over Union (IoU) was used to quantify coordination for the shape of variability, and a threshold was established to define the presence of coordination. The results showed that coordination among release parameters was not necessarily developed through practice, and that such coordination may already be structured before reducing the magnitude of variability. These findings suggest that the proposed method offers new insights into the formation of coordination during motor learning and provides a novel approach for its spatial evaluation.

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