B-18 左右異なるピンチング課題遂行中における力制御の解析(ヒューマン・ダイナミクス)

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タイトル別名
  • B-18 Analysis of bilateral pinching control in dual tasks with mechanical disturbance
  • 左右異なるピンチング課題遂行中における力制御の解析
  • サユウ コトナル ピンチング カダイ スイコウ チュウ ニ オケル チカラ セイギョ ノ カイセキ

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抄録

In this research, we investigated the interference between left hands and right hands when a mechanical disturbance imposed to one side hand. For this purpose we developed an experimental device which can produce mechanical disturbance by linear actuators. In pinching tasks of the experiment, target pinching force of left hands was that of 10% Maximal Voluntary Gontraction (MVC), and target force of right hands was designed using sinusoidal functions whose amplitudes are these of the force in the case of 0-20% or 5-15% MVC. During these tasks, we measured pinching force of the right hand. The mechanical disturbance is imposed to only the left hand. As a result of this experiment, we figured out that the influence of the mechanical disturbance show different trend depending on the amplitude of the target force of the right hand. In conclusion, we suggested that the mechanical disturbance to left hand facilitate the excitation or inhibition of motor unit of right hand which depend on the timing of the disturbance. This trend could be observed in difficult tasks.

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