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by Craig Freudenrich, Ph.D.

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Freudenrich, Ph.D., Craig.  "How Muscles Work"  11 April 2001.  HowStuffWorks.com. <http://science.howstuffworks.com/environmental/life/human-biology/muscle.htm>  11 February 2012.
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Stuff You Should Know

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Inside this Article
  1. Introduction to How Muscles Work
  2. Skeletal-muscle Basics
  3. Contracting a Muscle
  1. Triggering and Reversing Contraction
  2. Cardiac and Smooth Muscle
  3. Lots More Information
  4. See more »
    1. See all Human Biology articles

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Inside this Article
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  4. Triggering and Reversing Contraction
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  3. See all Human Biology articles
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