Zool325 Lab - Cat Muscle II

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Author:
tho
ID:
140479
Filename:
Zool325 Lab - Cat Muscle II
Updated:
2012-03-08 03:50:18
Tags:
Cat musculature II Deep thoracic shoulder muscles
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Description:
Cat Musculature (Deep thoracic and shoulder muscles)
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  1. Rectus abdominus
    • (ventral)
    • Pulls sternum and rubs caudally causing flexion of the trunk.

    Homology in shark: Hypaxial musculature
  2. Tranversus costarum
    • (ventral)
    • Pulls the ribs cranially.

    Homology in shark: Hypaxial musculature
  3. Serratus ventralis
    • (ventral)
    • Draws the scapulae toward the thoracic wall, stabilizing the scapula.

    Homology in shark: Hypaxial musculature
  4. Scalenes
    • (ventral)
    • Bends the neck and puls ribs cranially.

    Homology in shark: Hypaxial musculature
  5. Subcapularis
    • (ventral)
    • Adducts the humerus.

    Homology in shark: Pectoral musculature.
  6. Coracobrachialis
    • (ventral)
    • Adducts the humerus.

    Homology in shark: Pectoral fin adductor
  7. Splenius
    • (ventral)
    • Together left and right elevate or extend the head. Individually, each flexes the head laterally.

    Homology in shark: Epaxial musculature
  8. Rhomboideus
    • (dorsal)
    • Adducts scapula.

    Homology in shark: Hypaxial musculature
  9. Rhomboideus capitis
    • (dorsal)
    • Rotates and pulls scapula cranially.

    Homology in shark: Hypaxial musculature
  10. Infraspinatus
    • (dorsal)
    • Rotates the humerus laterally.

    HIS: Pectoral fin adductor
  11. Supraspinatus
    • (dorsal)
    • Protracts the humerus.

    HIS: Pectoral fin adductor
  12. Teres major
    • (dorsal)
    • Retracts humerus and rotates it medially.

    HIS: Pectoral fin abductor
  13. Teres minor
    • (dorsal)
    • Helps rotate the humerus laterally.

    HIS: Pectoral fin abductor
  14. Serratus dorsalis
    • (dorsal)
    • Anterior portion draws he ribs cranially, posterior portion draws the ribs caudally.

    HIS: Hypaxial musculature

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