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最大等尺性膝屈曲運動時のハムストリングスの筋活動について
https://nsg.repo.nii.ac.jp/records/4085
https://nsg.repo.nii.ac.jp/records/408598d8f584-ec14-4164-b95d-8c6a687d94a3
名前 / ファイル | ライセンス | アクション |
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040_onishi_h.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-08-30 | |||||
タイトル | ||||||
タイトル | 最大等尺性膝屈曲運動時のハムストリングスの筋活動について | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The EMG Activities of Hamstring Muscles during Maximum Isometric Knee Flexion | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 最大等尺膝屈曲 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ハムストリングス | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 筋活動 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
Title in Japanese | ||||||
最大等尺性膝屈曲運動時のハムストリングスの筋活動について | ||||||
タイトル(英) | ||||||
en | ||||||
The EMG Activities of Hamstring Muscles during Maximum Isometric Knee Flexion | ||||||
著者 |
大西, 秀明
× 大西, 秀明× 池田, 知純× 八木, 了× 赤坂, 清和× 大山, 峰生× 百瀬, 公人× 伊橋, 光二× 半田, 康延× Onishi, Hideaki× Ikeda, Tomozumi× Yagi, Ryo× Akasaka, Kiyokazu× Oyama, Mineo× Momose, Kimito× Ihashi, Koji× Handa, Yasunobu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本研究の目的は, 膝関節屈曲運動時におけるハムストリングス4筋の活動様式の違いを明らかにすることと, 最大随意収縮中の関節角度と筋活動および発揮トルクとの関係を明らかにすることであった。対象は健常男性10名であった。運動課題は5秒間の最大等尺性膝屈曲運動であり, その時の発揮トルクを測定し同時に半腱様筋・半膜様筋・大腿二頭筋長頭・大腿二頭筋短頭から筋電図を導出した。運動は股関節0度の腹臥位で, 膝関節を60度と90度の屈曲角度で下腿を中間位, 外旋位および内旋位に固定した肢位で行った。筋電図の導出には双極ワイヤー電極を使用し, 得られた筋電図を全波整流した後積分値を求め, 膝屈曲トルクと共に関節角度との関係を観察した。その結果, 膝屈曲トルクは下腿回旋肢位にかかわらず常に60度屈曲位で有意に高い値を示した。半腱様筋の筋電図積分値は下腿中間位および外旋位において60度屈曲位の方が90度屈曲位に比べて有意に低い値を示した。半膜様筋の積分値も同様に下腿中間位で60度屈曲位で有意に低い値を示し, 下腿外旋位で60度屈曲位の方が低い傾向を示した。一方, 大腿二頭筋長頭の積分値は, 下腿回旋肢位にかかわらず60度屈曲位で得られた値の方が90度屈曲位での値より有意に高い値を示した。大腿二頭筋短頭の積分値は下腿回旋の肢位にかかわらず60度屈曲位で得られた値と90度屈曲位で得られた値との間に有意な差はみられなかった。これらのことより, 最大努力で膝関節を屈曲している場合でも, 主動作筋であるハムストリングス4筋の筋活動は関節角度に影響されて変化することと, 膝関節屈曲運動に関与するハムストリングス4筋の活動様式に違いがあることが示された。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The purpose of this study was to find some differences in activities among four hamstring muscles by integrated EMG, and to analyze the relationship among EMG, torque and muscle length during maximum isometric knee flexion. Ten healthy male volunteers participated in this study. The subject was fixed in prone position on a bed, and the knee joint was fixed at 60- or 90-degree in flexion with neutral, external and internal knee rotation. They performed maximum isometric knee flexion with these six knee positions. Then, the knee flexion torque was measured and the EMG data were detected by bipolar fine wire electrode from semitendinosus, semimembranosus and long and short head of biceps femoris muscle, simultaneously. The EMG data were full-wave rectified and integrated(IEMG). The knee flexion torque and the detected IEMGs from each hamstring muscle at 60-degree were compared with the values at 90-degree in each knee rotated position. As a result, the knee flexion torque at 60-degrees was higher than that at 90-degree regardless of knee rotation. The IEMG values of the semitendinosus and semimembranosus muscle at 60-degree in knee flexion with neutral and external knee rotation position were lower than those at 90-degree. On the other hand, the IEMG value of the long head of biceps femoris at 60-degree with neutral, external and internal knee rotation were significantly higher than those at 90-degree. There were no significant differences in IEMG values of short head of biceps femoris between 60-degree and 90-degree with any rotational angles. These results indicate next two insights. First, there are obvious differences in activities among four hamstring muscles during maximum isometric knee flexion. Second, the agonist muscles are not always fully active even if the isometric movement is performed with the maximum efforts. | |||||
書誌情報 |
理学療法学 巻 26, 号 2, p. 62-67, 発行日 1999-03 |
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出版者 | ||||||
出版者 | 日本理学療法士協会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-3770 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10146032 | |||||
権利 | ||||||
権利情報 | 日本理学療法士協会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 論文(Article) | |||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110003994628 |