Changes in muscular activity depending on infraspinatus muscle fibers involved in different glenohumeral joint positions
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- Satou M
- Reconditioning Center, TOYOTA MOTOR CORPORATION Institute of Sports Medicine and Science
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- Kobayashi H
- Faculty of Health Science, Nihon Fukushi University
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- Hirano K
- Idota Orthopedics Meieki Sports Clinic
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- Yoshihara K
- Idota Orthopedics Meieki Sports Clinic Institute of Sports Medicine and Science
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- Kikuchi T
- Idota Orthopedics Meieki Sports Clinic
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- Okado T
- Reconditioning Center, TOYOTA MOTOR CORPORATION Institute of Sports Medicine and Science
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- Takeuchi Y
- Idota Orthopedics Meieki Sports Clinic
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- Kameyama Y
- Idota Orthopedics Meieki Sports Clinic
Bibliographic Information
- Other Title
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- 肩関節肢位の違いによる棘下筋の線維別筋活動の変化
- カタカンセツシイ ノ チガイ ニ ヨル キョクカキン ノ センイ ベツキン カツドウ ノ ヘンカ
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Abstract
<p>The infraspinatus muscle consists anatomically of transverse and oblique fibers, and the different fi bers have different functions in view of the direction.</p><p>The purpose of this study was to evaluate the muscle activity level of the different fibers of the infraspinatus muscle by surface electromyography to determine the function of each fiber type during abduction and external rotation of the glenohumeral joint. The activity of the transverse fibers change during abduction depending on the internal rotation angle of the shoulder joint. The activity of the oblique fibers as related to the transverse fibers changed during shoulder joint abduction movement depending on changes in the shoulder abduction angle. The activity of the respective fibers of the infraspinatus muscle is indicated by differences in shoulder abduction and the internal rotation angle. When we perform functional evaluation and exercise, the function of the respective fi bers of the infraspinatus must be considered.</p>
Journal
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- Japanese Journal of Clinical Sports Medicine
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Japanese Journal of Clinical Sports Medicine 31 (1), 137-144, 2023-01-31
Japanese Society of Clinical Sports Medicine
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Details 詳細情報について
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- CRID
- 1390862400847726336
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- NII Book ID
- AA11429267
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- ISSN
- 27583767
- 13464159
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- NDL BIB ID
- 032679462
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
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- Abstract License Flag
- Allowed