Control of redundant degree of freedom regulating the accuracy of movement performance: Control strategy for determining throwing accuracy

调节运动性能精度的冗余自由度控制：确定投掷精度的控制策略

• 批准号: 24650385
• 负责人: MATSUO Tomoyuki
• 金额: $ 2.41万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Challenging Exploratory Research
• 财政年份: 2012
• 资助国家: 日本
• 起止时间: 2012-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-24650385/
• 关键词: 身体システム学; スポーツ科学; 身体運動学; 運動制御; スポーツバイオメカニクス; 生物・生体工学; 投球; 動作解析; ランダマイズ法; モーションキャプチャー; 投球動作; コントロール; 手掌

The purpose of this study was to investigate whether the movement of pitching is controlled so that fluctuation arising at a joint is complemented mutually among joints. Data were collected from 18 semi-professional pitchers who threw a baseball from an indoor mound, by using a motion capture system with 16 high-speed cameras (1,000 Hz). A simulation motion was generated by using the direct kinematics with randomized method in which each joint angle is randomly selected from the 10 best pitches. One hundred set, one set was composed of 10 simulated motions, were generated. The standard deviations of the position, direction, and movement direction for the actual movement was compared with the 100 sets of the simulated motion. The SDs for the actual movement were much smaller than those for the simulated movements. It suggested that the actual pitching movement is controlled by some mechanism utilizing mutual-complementary coordination.

本研究的目的是探讨俯仰的运动是否受到控制，使关节上产生的波动在关节之间相互补充。研究人员利用装有16台高速摄像机（1000赫兹）的动作捕捉系统，收集了18名从室内投球的半职业投手的数据。采用直接运动学随机化方法生成仿真运动，每个关节角度从10个最佳节距中随机选择。生成了100个集合，其中一个集合由10个模拟动作组成。将实际运动的位置、方向和运动方向的标准差与100组模拟运动进行比较。实际运动的SDs比模拟运动的SDs小得多。说明实际俯仰运动是由某种互补协调的机制控制的。

项目成果

制球力は手掌までの動きでどの程度説明可能か?

在多大程度上可以用手掌的动作来解释控球能力？

• 发表时间: 2012
• 作者: 松尾知之、那須大毅、神事努;他
• 通讯作者: 他

制球力は手掌までの動きでどの程度説明可能か？

在多大程度上可以用手掌的运动来解释控球能力？

• 发表时间: 2012
• 作者: 松尾知之、那須大毅、神事努;他;松尾 知之
• 通讯作者: 松尾 知之