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最終更新日：2024/10/02
實宝 希祥
ジッポウ キショウ
(Kisho Zippo)
論文
- タイトル
- タイトル（英）
- The kinetic mechanisms of vertical pointing movements.
- 参照URL
- https://researchmap.jp/zippo/published_papers/1325607
- 著者
- 著者（英）
- Shinji Yamamoto,Keisuke Fujii,Kisho Zippo,Keisuke Kushiro,Masanobu Araki
- 担当区分
- 概要
- 概要（英）
- The present study utilized induced acceleration analysis to clarify the contributions of muscular and gravitational torques to the kinematics of vertical pointing movements performed by the upper limb. The study included eight healthy men with a mean age of 25 years. The experiment was divided into three blocks with ten trials in each, comprising five upward and five downward, randomly executed movements. The movements were recorded by a motion capture system and were subsequently analyzed. During the deceleration phase of the upward movement and the acceleration phase of the downward movement, the angular acceleration induced by gravitational torque contributed more to the generation of net induced angular acceleration than the angular acceleration induced by muscular torque. In addition, the difference between the net induced angular acceleration profiles during the upward and downward movements was mainly attributable to the difference between the respective angular acceleration profiles induced by muscular torque. These findings suggest that the central nervous system considers the gravitational effect on the upper limb in a phase-specific manner and accordingly generates a torque-derived kinematic difference with respect to the movement direction.
- 出版者・発行元
- 出版者・発行元（英）
- 誌名
- 誌名（英）
- Heliyon
- 巻
- 5
- 号
- 7
- 開始ページ
- e02012
- 終了ページ
- 出版年月
- 2019年7月
- 査読の有無
- 査読有り
- 招待の有無
- 掲載種別
- 研究論文（学術雑誌）
- ISSN
- DOI URL
- https://doi.org/10.1016/j.heliyon.2019.e02012
- 共同研究・競争的資金等の研究課題