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亲感输入和力量反方式对力量再生性能的影响

Alp Eşrefoğlu¹, Mélanie Henry^1,2, Stéphane Baudry¹

¹Laboratory of Applied Biology, Research Unit in Applied Neurophysiology (LABNeuro), ULB-Neurosciences Institute (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium.

Journal of motor behavior

|January 3, 2024

概括

肌肉自身感知和视觉反对于精确的力量再现至关重要,特别是在较低的力水平. 局部肌振动增加了力复制错误,突出了自身感受的作用.

科学领域:

神经科学是一个神经科学.
发动机控制器的控制器
感官生理学感官生理学

背景情况:

力量感对于运动控制至关重要,可以使用力量复制任务 (FRT) 来评估.
了解影响力感知的感官输入对于完善这些评估方法至关重要.

研究的目的:

为了研究肌肉自感受在FRT的目标力匹配阶段的作用.
检查不同的感官反方式 (视觉与听觉) 如何影响力复制错误.

主要方法:

采用了一种力量复制任务 (FRT),包括一个目标力量匹配阶段与反和一个没有反的复制阶段.
在目标阶段,将局部肌振动 (LV) 应用于第一个背部骨肌,以探测自身感知 (EXP1).
在目标阶段 (EXP2) 的视觉 (VISIO) 和听觉 (AUDIO) 反之间比较了力复制错误 (RE).

主要成果:

强力复制误差 (RE) 在局部肌振动 (LV) 时明显大于在5%的最大自愿收缩 (MVC) 时没有振动 (NoLV),但不是在20%的MVC时.
在5%的MVC时,视觉反 (VISIO) 的RE显著高于听觉反 (AUDIO),但在20%的MVC时,这种差异并不显著.
增加的LV频率进一步提高了RE,支持肌肉自感受参与FRT.

结论:

在力量再现任务的目标阶段,自身感受输入是相关的.
感官反的模式影响力复制错误,影响力感的评估.
这些发现强调了在评估力量感知时考虑感官贡献的重要性.

关键词:

肌肉的 afferents 肌肉的 afferents 肌肉的 afferents 肌肉的 afferents 肌肉的 afferents 肌肉的 afferents 肌肉的 afferents 自己的感觉 (proprioception) 是一种感觉.感觉到强力的感觉.肌振动肌振动肌振动

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