マーカベースおよびマーカレスモーションキャプチャを用いたサイドボックスジャンプのキネマティックデータの比較

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タイトル別名
  • Comparison of Kinematic Data of Side Box Jump Using Marker-Based and Markerless Motion Capture
  • マーカベース オヨビ マーカレスモーションキャプチャ オ モチイタ サイドボックスジャンプ ノ キネマティックデータ ノ ヒカク

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【Purpose】This study was to compare the lower limb joint angles and center of mass （COM） positions measured by Theia 3D markerless and marker-based motion capture systems.【Methods】Sidebox jumps were performed on 9 healthy adults. Ten video cameras for markerless motion capture and 12 video cameras for optical marker-based motion capture were used for simultaneous recording. We compared the lower limb joint angle and the position of the center of mass （COM） of the body from landing on the right platform to taking off【. Results】The relative reliability of the lower limb joint angle was r = 0.59 to 0.99, and the absolute reliability was less than 3.2°. The relative reliability of COM showed a strong correlation of r = 0.97 to 0.99, and the absolute reliability was less than 1.1 cm.【Conclusion】Very similar measurements were made by the two systems, and the use of Theia 3D markerless motion capture system was used not only for walking but also for sports movements such as jumping and landing and in fields that were previously difficult to perform. It is sugested that measurement is possible.

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  • スキー研究

    スキー研究 19 (1), 25-33, 2023

    日本スキー学会

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