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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.06131 |
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Table of Contents:
- This study focuses on the rotation of the hips and shoulders during a baseball bat swing, analyzing the time-series changes in rotational angles, rotational velocities, and axes using marker position data obtained from a motion capture system with 12 infrared cameras. Previous studies have examined factors such as ground reaction forces, muscle activation patterns, rotational energy, angular velocity, and angles during a swing. However, to the best of our knowledge, the hip and shoulder rotational motions have not been adequately visualized or compared. In particular, there is a lack of analysis regarding the coordination and timing differences between hip and shoulder movements during the swing. Therefore, this study aims to quantitatively compare the hip and shoulder rotational movements during the swing between skilled and unskilled players and visualizes the differences between them. Based on the obtained data, the study aims to improve the understanding of bat swing mechanics by visualizing the coordinated body movements during the swing.