書誌事項
- タイトル別名
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- Muscle Synergies, Equilibrium–point Trajectory and Endpoint Stiffness during Human Upper–limb Movements on a Horizontal Plane: an Approach using EMG Signals
- スイヘイメン ナイ ニ オケル ヒト ジョウシ ウンドウジ ノ EMG シンゴウ オ リヨウ シタ キン シナジー,ヘイコウテン キドウ オヨビ テサキ ゴウセイ ノ アタラシイ ヒョウカホウ ノ テイアン
- Muscle Synergies, Equilibrium^|^ndash;point Trajectory and Endpoint Stiffness during Human Upper^|^ndash;limb Movements on a Horizontal Plane: an Approach using EMG Signals
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説明
This paper focuses on the various movements of a human upper–limb on a horizontal plane and investigates the relationship among the muscle synergies, equilibrium–point (EP) trajectories and endpoint stiffness through the estimation of the EP trajectories and endpoint stiffness by two methods: (1) a novel estimation method by analyzing EMG signals under the concept of the agonist–antagonist (A–A) muscle pairs and (2) a conventional estimation method by using mechanical perturbations. The experimental results test the validity of the new method and suggest that (1) three muscle synergies represent the muscle activities of the human upper–limb movements on a horizontal plane; (2) each muscle synergy shows the balance among the coactivations of A–A muscle pairs; (3) the first and second muscle synergies are the invariant bases for the EP trajectory which is described in the polar coordinates centered on the shoulder joint. One synergy plays a role for the movement in the radius direction and another plays for the movement in the angular direction; and (4) the third muscle synergy is the invariant basis for additionally adjusting the endpoint stiffness. It influences the direction and size of the endpoint stiffness.
収録刊行物
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- 日本ロボット学会誌
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日本ロボット学会誌 32 (7), 603-614, 2014
一般社団法人 日本ロボット学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390282679706732416
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- NII論文ID
- 130004697451
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- NII書誌ID
- AN00141189
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- ISSN
- 18847145
- 02891824
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- NDL書誌ID
- 025794202
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
