BIOL432 Head & Trunk Muscles CAT

Card Set Information

Author:
Geo
ID:
108049
Filename:
BIOL432 Head & Trunk Muscles CAT
Updated:
2011-10-11 12:31:16
Tags:
BIOL432 Head Trunk Muscles CAT
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Description:
BIOL432 Head & Trunk Muscles CAT
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  1. Digastric
    • Origin - Base of skull
    • Insertion - Dentary
    • Action - Depress mandible
  2. External intercostals
    • Origin - Rib
    • Insertion - Rib
    • Action - Protracts ribs
  3. External oblique
    • Origin - Ribs
    • Insertion - Ribs
    • Action - Constricts abdomen
  4. Iliocostalis
    • Origin - Ribs
    • Insertion - Ribs
    • Action - Draws ribs together
  5. Internal intercostals
    • Origin - Rib
    • Insertion - Rib
    • Action - Retracts ribs
  6. Internal oblique
    • Origin - Pelvis
    • Insertion - Linea alba
    • Action - Constricts abdomen
  7. Logissimus capitis
    • Origin - Cervical vertebrae
    • Insertion - Mastoid process of temporal
    • Action - Flexes head laterally
  8. Logissimus dorsi
    • Origin - Vertebrae
    • Insertion - Vertebrae
    • Action - Extends vertebral column
  9. Masseter
    • Origin - Zygomatic arch
    • Insertion - Dentary
    • Origin - Elevates mandible
  10. Rectus abdominis
    • Origin - Pubis
    • Insertion - Sternum
    • Action - Flexing the trunk
  11. Spinalis dorsi / Transversospinalis
    • Origin - Vertebrae
    • Insertion - Vertebrae
    • Action - Extends vertebral column
  12. Splenius
    • Origin - Vertebrae
    • Insertion - Back of skull @ Nuchal Crest
    • Action - Elevates head
  13. Sternomastoid
    • Origin - Sternum
    • Insertion - Skull
    • Action - Depresses snout/skull
  14. Temporalis
    • Origin - Temporal Foss of Skull
    • Insertion - Coronoid process of Dentary
    • Action - Elevates mandible

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