The Muscular System

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The Muscular System

• Mr. P. Leighton
• GCSE PE Theory

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Todays Session

• All of you Will understand the importance of the
  muscular system, taking into account the key
  terms of VOLUNTARY, INVOLUNTARY and CARDIAC
  MUSCLES.
• Most of you Will understand the key terms above
  whilst also understanding the principle of
  ANTAGONISTIC PAIRS.
• Some of you Will begin the work on what the
  muscles actually do in class (finish for HW)

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TASK

• On the board are 11 names of muscles.
• Decide on a Dummy from your group to be used in
  the presentation.
• It is the rest of the groups job to decide where
  these muscles are situated and label them
  correctly.
• You have 7 mins for this task- when you are
  finished take a picture of the dummy to show they
  are correct!

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How did you do?
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So how do muscles work?

• Muscles work in 3 ways
• Voluntary- You choose to make it move
• Involuntary- works without thought- blinking?
• Cardiac The Heart- most important muscle

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How do muscles move?

• Muscles are attached to bones by tendons.
• Muscles cannot push- this is why they must work
  in pairs.
• Muscles must work in ANTAGONISTIC PAIRS to allow
  successful movement.
• The muscle shortening is the AGONIST (Agony)
• The muscle lengthening is the ANTAGONIST (making
  it get shorter)
• Which muscles are working here?

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Work for you

• Spend the rest of the time looking at pg.
  140-142.
• I would like you to have notes on all the 11 key
  muscles for this time next week.
• The use of GCSE Bitesize or my wordpress site
  (www.soculleighton.wordpress.com/gcse) can help
  with this.
• Any Questions?