Actions of Neck up

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Author:
tjminnie
ID:
144443
Filename:
Actions of Neck up
Updated:
2012-03-28 18:31:24
Tags:
NUPT head neck muscles
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Description:
I whip my hair back and forth
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  1. Superior rect
    turn eye upward
  2. inferior recti
    turn eye downward
  3. medial recti
    turn eye medially
  4. lateral recti
    turn eye lateral
  5. superior oblique
    turn the eye downward and alterally
  6. inferior oblique
    turns eye upward and laterally
  7. levator palpebrae superioris
    raises the upper lid
  8. oribicularis oculi
    lowers the upper lid
  9. Genioglossus
    protrudes apex of tongue from the mouth
  10. hyoglossus
    depresses tongue
  11. Styloglossus
    draws tongue upwards and backwards
  12. Sternocleidomastoid
    • bialterally - extends the head at the AO joint and FLEX neck
    • unilaterally - side bends head and neck to same side and rotates to opposite side
  13. digastic ANT and POST bellies
    • elevate hyoid and with it the base of the tongue and larynx
    • depress mandible with hyoid fixed
  14. stylohoid
    • elevate hyoid and with it the base of the tongue and larynx
    • depress mandible with hyoid fixed
  15. mylohyoid
    • elevate hyoid and with it the base of the tongue and larynx
    • depress mandible with hyoid fixed
  16. geniohyoid
    • elevate hyoid and with it the base of the tongue and larynx
    • depress mandible with hyoid fixed
  17. sternohyoid
    during swallowing - depress the hyoid and larynx after they have been elevated
  18. omohyoid
    during swallowing - depress the hyoid and larynx after they have been elevated
  19. sternothyroid
    during swallowing - depress the hyoid and larynx after they have been elevated
  20. thryohoid
    during swallowing - depress the hyoid and larynx after they have been elevated
  21. longus coli
    • acting bilaterally - FLEX head and neck
    • unilaterally - side bends neck to the same side and rotates to opposite side by pulling transverse processes forward
  22. Longus capitus
    • bilateral- FLEX head and neck
    • unilaterally - side bends and roates head and neck to SAME side by pulling occiput backward
  23. Rectus capitis ANT
    FLEX head at the A-O joints
  24. rectus capitis lateralis
    Side bends head to SAME side
  25. scalene muscles
    • ribs fixed - FLEX the C-spine, side bend to the SAME side and rotate to the SAME side
    • Cervical spine fixed - elevate the upper two ribs during inspiration
  26. Masseter
    elevates mandible closing mouth
  27. temporalis
    • ANT fibers - elevate mandible
    • POST fibers - retract mandible
  28. LAT pterygoid
    • both head - draw mandible to opposite side (grinding)
    • upper head - elevates the mandible
    • lower head - protrudes and depresses mandible opening mouth
  29. MED ptergoid
    • draws mandible towards opposite side
    • protrudes and elevates mandible
  30. elevation of mandible
    • temporalis
    • masseter
    • medial pterygoid
    • Upper head of LAT pterygoid
  31. depression of mandible
    • LAT pterygoid (lower head)
    • suprahyoid muscles
    • infrahyoid muscles
  32. protrusion
    • lateral pterygoid (lower head)
    • medial pterygoid
  33. retraction
    • temporalis (POST fibers)
    • suprahyoid
  34. deviation to the side
    • Opposite laterl pterygoid (BOTH heads)
    • opposite medial pterygoid
    • same side termporalis
    • same side masseter

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