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Entire Muscle contraction
ch 11, twitches
5
Anatomy
Undergraduate 1
03/10/2012
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Term
Twitch
 Definition
rapid contraction/relaxation to single stimulus (0.1 sec)
Term
Twitch phases
 Definition
*latent period/time for impulse to spread
*contraction phase
*relaxation phase
Term
Incomplete tetanus
 Definition
cannot fully relax (twitch picture).
*muscle only partially relaxed from previous contraction
Term
Complete tetanus
 Definition
very fast twitch rate (see twitch picture)
*muscle never enters relax state
*stays in contraction phase
Term
Treppe
 Definition
staircase phenomenon (warm up period)
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