Skinning the cat

1
Class Topics
Title Anat Phys 1/5/07
Objectives

• .

• Skinning the cat
• Muscle Anatomy
• Review Chest muscles
• Theres only one way to skin a cat
• Mr. Nollen

Saturday, January 02, 2016 720 PM
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Class Assignments
By When
What

• Due this class period
• Due next class period
• Due in the future

3
Prep for dissection

• Lab safety
• instruments
• waste/clean up
• Protect yourself
• Cats
• naming - be tasteful
• storage - in garbage can with sealed bag

4
Cat Dissection

• Remove the cat from the bag
• determine the gender
• Start skinning the cat from the opening in the
  neck. Move to the posterior being careful to cut
  just the skin, not the underlying tissue
• Cut according to the diagram on the board
• Skin as much of your cat as you can today

5
Cat Dissection

• Remove the skin except for the area around the
  tail
• Identify isolate the following muscles
• pectoralis major
• pectoralis minor
• xiphihumeralis
• pectoantebrachialis

6
Review

• What is a synergist?
• What is an antagonist?
• What is a prime mover?
• What are the attachments for the pectoralis
  major?
• How does the pectoralis minor aid in breathing?
• How did the serratus anterior get its name?
• What are the origin and insertion?
• Are they interchangeable?

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Chest

• Pectoralis major
• Pectoralis minor
• Xiphihumeralis
• Pectoantebrachialis
• Intercostals
• Serratus anterior

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Pectoralis Minor

• Attachments
• ribs 3-5
• Coracoid process of scapula
• Actions
• Elevates ribs - heavy breathing
• Rotates scapula

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