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List of extensors of the human body : ウィキペディア英語版 | List of extensors of the human body
Extension is an anatomical term that refers to a movement of a joint that increases the angle between two bones or body surfaces at a joint. Extension usually results in straightening of the bones or body surfaces involved. For example, extension is produced by extending the flexed (bent) elbow. Straightening of the arm would require extension at the elbow joint. If the head is tilted all the way back, the neck is said to be extended. ==Muscles of extension==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「List of extensors of the human body」の詳細全文を読む
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