「Muscle06/effect of intrafusal muscles」の版間の差分
ナビゲーションに移動
検索に移動
Soichi.Nakatake (トーク | 投稿記録) (ページの作成: 錘内筋は、筋紡錘の両端に位置する。そのため、錐内筋が収縮すると、筋紡錘が伸展され、活動電位が発生しやすくなる。 [[ファ...) |
Soichi.Nakatake (トーク | 投稿記録) 編集の要約なし |
||
| 1行目: | 1行目: | ||
The intrafusal muscles locate on both ends of the muscle spindle. So, when the intrafusal muscles contract, the muscle spindle is stretched and sensitivity to further stretching is increased. | |||
The extrafusal muscles are innervated by alpha motor neurons, and the intrafusal muscles innervated by the gamma motor neurons. | |||
[[ファイル:03512en.jpg|400px|left]] | [[ファイル:03512en.jpg|400px|left]] | ||
{{QuizTitle}} | {{QuizTitle}} | ||
<GIFT> | <GIFT> | ||
//LEVEL:4 | //LEVEL:4 | ||
//NO-RAND | //NO-RAND | ||
The intrafusal muscles are innervated by the {=gamma,~alpha} motor neurons. | |||
//LEVEL:4 | //LEVEL:4 | ||
//NO-RAND | //NO-RAND | ||
The extrafusal muscles are innervated by the {~gamma,=alpha} motor neurons. | |||
//LEVEL:2 | //LEVEL:2 | ||
//RAND | //RAND | ||
With contraction of the intrafusal muscles, the sensitivity of the muscle spindles {=increase.~does not change very much.~decrease}. | |||
</GIFT> | </GIFT> | ||
2012年9月27日 (木) 20:37時点における版
The intrafusal muscles locate on both ends of the muscle spindle. So, when the intrafusal muscles contract, the muscle spindle is stretched and sensitivity to further stretching is increased.
The extrafusal muscles are innervated by alpha motor neurons, and the intrafusal muscles innervated by the gamma motor neurons.
Challenge Quiz
1.
The intrafusal muscles are innervated by the gamma, alpha motor neurons.
2.
The extrafusal muscles are innervated by the gamma,alpha motor neurons.
3.
With contraction of the intrafusal muscles, the sensitivity of the muscle spindles increase. does not change very much. decrease .