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A 47-year-old member asked:

What is the mechanism by which smooth, skelatol and cardiac muscle twitch?

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Dr. Bennett Werner
Cardiology 44 years experience
Depolarization: When you apply an electric current to any of the above fibers, you cause depolarization, ion flux, and movement of protein filaments resulting in the characteristic "twitch". If you're really interested, check out: http://www.Youtube.Com/watch?V=fduja8rwntk.

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Last updated Aug 19, 2013
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