「Muscle06/tendon spindle」の版間の差分
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Soichi.Nakatake (トーク | 投稿記録) 編集の要約なし |
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//LEVEL:4 | //LEVEL:4 | ||
//RAND | //RAND | ||
Tendon spindle and extrafusal muscles are in {~parallel | Tendon spindle and extrafusal muscles are in {~parallel~=sequence} position. | ||
//LEVEL:2 | //LEVEL:2 | ||
//RAND | //RAND | ||
The tendon spindles are stimulated and generate action potentials, when the extrafusal muscles are {~stretched | The tendon spindles are stimulated and generate action potentials, when the extrafusal muscles are {~stretched~=too strongly contracted isometrically}. | ||
//LEVEL:2 | //LEVEL:2 | ||
//RAND | //RAND | ||
The afferent activity from the tendon organs causes a reflex {~excitation | The afferent activity from the tendon organs causes a reflex {~excitation~=inhibition} in that muscle. | ||
</GIFT> | </GIFT> | ||
2014年11月18日 (火) 21:47時点における最新版
When muscles are too strongly contracted isometrically (such as when trying to lift a car with the biceps), the tendon and the tendon spindles are stretched. This elicits a reflex inhibition in the activity of that muscle.
Challenge Quiz
1.
Tendon spindle and extrafusal muscles are in parallel sequence position.
2.
The tendon spindles are stimulated and generate action potentials, when the extrafusal muscles are stretched too strongly contracted isometrically .
3.
The afferent activity from the tendon organs causes a reflex excitation inhibition in that muscle.