Facial and skeletal muscles

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  1. sternocleidomastoid
    • a- unilaterally- laterally flex the head and neck to the same side. rotate the head and neck to the opposite side
    • bilaterally - flex the neck, assist in inhalation

    o-sternal head- top of manubrium, clavicular head- medial one-third of the clavicle

    i- mastoid process of temporal bone and the lateral portion of superior nuchal line of occiput
  2. anterior scalene
    0- transverse procceses of third through sixth cervical vertebrae

    i- first rib
  3. middle scalene
    o- transverse processes of second through seventh cervical vertebrae

    i- first rib
  4. posterior scalene
    o- transverse processes of fifth and sicth cervical vertebrae

    i- second rib
  5. masseter
    • a- elevate the mandible
    • 0- zygomatic arch
    • i- angle and ramus of mandible
  6. actions of scalenes
    unilaterally- with the ribs fixed, laterally flex the head and neck to the same side, rotate head and neck to the opposite side

    bilaterally- elevate the ribs during inhalation, flex the head and neck
  7. temporalis
    • a- elevate the mandible, retract the mandible
    • o- temporal fossa and fascia
    • i- coronoid process of the mandible
  8. suprahyoids
    • a0 elevate hyoid and tongue, depress mandible
    • o- geniohyoid, mylohyoid- underside of mandible
    • stylohyoid- styloid process

    i- hyoid bone
  9. digastric
    • a- depresses the mandible with hyoid bone fixed,,,, it elevates the hyoid bone, retracts the mandible
    • o- mastoid process
    • i- inferior border of the mandible
  10. infrahyoids
    • a- depress the hyoid bone and thyroid cartilage
    • o-sternohyoid- top of manubrium, thyrohyoid= throid cartilage, omohyoid- superior border of the scapula
    • i- sternohyoid, omohyoid, and thyrohyoid- hyoid bone, sternothyroid- thyroid cartilage
  11. platysma
    • a- assist in depression of the mandible, tighten the fascia
    • o- fascia covering superior part of pectoralis major
    • i- base of mandible, skin of lower part of face
  12. occipitofrontalis
    • a- frontalis raise the eyebrows and wrinkle the forehead, occipitalis- anchor and retract the galea posteriorly
    • o- ask askas aks
  13. medial pterygoid
    a- unilaterally- laterally deviate the mandible to the opposite side

    bilaterally- elevate the mandible, protract the mandible

    • o-medial surface of lateral pterygoid plate of sphenoid bone and tuberosity of maxilla
    • i-medial surface of ramus of the mandible
  14. lateral pterygoid
    • a- unilaterally- laterally deviate the mandible to the opposite side
    • bilaterally- protract the mandible

    • o-superior head- infratemproal surface and crest of greater wing of sphenoid bone
    • inferior head 0 lateral surface of lateral pterygoid plate of sphenoid bone
    • i- articular disc and capsule of temporomandiblar joint, neck of mandible
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43150
Card Set
Facial and skeletal muscles
Description
guide for neck and head muscles for massage class
Updated
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