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Twitch muscle

twitch muscle

(Science: physiology) striated muscle innervated by a single motoneuron and having an electrically excitable membrane that exhibits an all or none response (c.f. Tonic muscle): in mammals almost all skeletal muscles are twitch muscles.

physiologists often divide muscles into fast and slow twitch types, the fast twitch muscles being associated with fast motor units.


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Accuracy of Article Regarding Muscles

... the net for some information regarding the differences between slow-twitch and fast-twitch fibres in regards to some work that I need to do for ... muscle-fibres/ Thanks in advance! :D

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by Jozyyn
Tue Feb 23, 2010 5:13 pm
 
Forum: Human Biology
Topic: Accuracy of Article Regarding Muscles
Replies: 2
Views: 1241

Re: Muscle Contraction: Strength

A muscle contraction (also known as a muscle twitch or simply twitch) occurs when a muscle fiber generates tension through the action of actin and myosin cross-bridge ...

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by loyolite11
Sun Jul 20, 2008 11:16 am
 
Forum: Molecular Biology
Topic: Muscle Contraction: Strength
Replies: 4
Views: 17608

Re: Muscle Contraction: Strength

Hello! Does a muscle contract stronger when the frequency of the nerve impulses is higher? (Just a guess; ... units are recruited last. Large motor units are the ones having fastest and largest twitch contraction, thus producing greatest force.

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by Nad
Tue Jul 15, 2008 11:06 am
 
Forum: Molecular Biology
Topic: Muscle Contraction: Strength
Replies: 4
Views: 17608

Cats vs. Humans

... difference between us and felines isnt so much as cardiac and skeletal muscles, for example. With cats I'd say much of it is indeed down to more ... action of a jump. I imagine cats have disproportionately more 'fast-twitch' muscle than 'slow twitch' muscles in their legs, though I'm out of ...

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by kotoreru
Sat Jun 16, 2007 4:20 pm
 
Forum: Zoology Discussion
Topic: Cats vs. Humans
Replies: 11
Views: 15856


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