NDLI: Constructive Approach towards Understanding the Control Structure of Human Locomotion based on Kinematic Synergies

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Constructive Approach towards Understanding the Control Structure of Human Locomotion based on Kinematic Synergies

Content Provider	Semantic Scholar
Author	Funato, Tetsuro Aoi, Shinya Tomita, Nozomi Tsuchiya, Kazuo
Copyright Year	2013
Abstract	ヒトの身体は多数の筋・関節からなるシステムであり,歩行運動をはじめとする全身運動はこの冗長自由度系と環境との相互作用の結果として生じる.ヒトは身体・環境からなる複雑なシステムを活用して様々な環境下で自由に運動を実現することができ,その適応メカニズムに注目が集まっている.歩行運動の生理学的研究から,運動中には複数の関節,筋がシナジーと呼ばれる一定の組み合わせを保ちながら協調的に動作していることが知られており,統計解析によって運動に内在する協調構造の抽出が行われている.これまでの研究で,片足 3関節,全身 7関節の動きにはそれぞれ 2種類,3種類の協調構造(運動学シナジー)が [1] [2],25本の筋活性パターンには五つの協調構造(筋シナジー)が存在し,歩行中のほとんどの動き(関節運動 99%以上,筋活動: 80%以上)がこれら少数のシナジーに拘束されている.このような拘束条件の存在は冗長系の多次元構造を低次元に落とす作用があり,ヒトの冗長制御メカニズムの性質を反映している.このことからシナジーの特徴を調べる
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/jrsj/31/8/31_31_739/_pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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