Lets watch a movie
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Lets watch a Movie. http://www.youtube.com/watch?v=2dAr9qq2lFI. So what are we gonna talk about?. MUSCLES. Muscles what do they do?. Contract and Extend Flexing Extending Peristalsis Shivering http://www.sci.sdsu.edu/movies/actin_myosin.html. Parts of a Muscle.

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Lets watch a Movie

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Lets watch a Movie

http://www.youtube.com/watch?v=2dAr9qq2lFI


So what are we gonna talk about?

  • MUSCLES


Muscles what do they do?

  • Contract and Extend

    • Flexing

    • Extending

    • Peristalsis

    • Shivering

  • http://www.sci.sdsu.edu/movies/actin_myosin.html


Parts of a Muscle


Contraction and Extension


Types of Muscle

  • Skeletal

    • Voluntary muscle that attaches to bone

  • Smooth

    • Involuntary muscle that is involved with the contractions of inner organs and tissues of the body

  • Cardiac

    • Involuntary muscle involved with heart contractions


Skeletal Muscle

MicroscopicRegular


Smooth Muscle

Microscopic Regular


Cardiac Muscle

HeartCardiac Muscle


Exercise

  • Muscle Types

    • Slow Twitch

    • Fast Twitch

  • Exercise

    • Aerobic

    • Anaerobic


Getting Big

  • Muscle Build Up

    • Exercise stresses muscle and forces the body to activate and create more and more muscle cells in the stressed muscle

  • Muscle Atrophy

    • Muscle is built up by stress.

    • When a muscle is not used for a while the body deactivates it and the muscle cells are broken down for cell energy


Muscles to the Extreme


So what happened to Arnold

  • How did a little kid grow up to be Mr. Universe?

  • What happened to Mr. Universe’s muscles?


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