Unit 3:Muscles

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yelyah91
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74243
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Unit 3:Muscles
Updated:
2011-03-24 12:51:33
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anatomy muscles
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Description:
the muscles
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  1. Oribicularis Oculi:origin
    Found on maxilla and frontal bone
  2. Occipitalis: action
    Acts with frontalis to draw the scalp backwards
  3. Zygomaticus Major:action
    Elevates the angle of mouth as in smiling or laughing
  4. Risorius:action
    Draws angle of mouth laterally
  5. Medial Pterygoid:insertion
    Mandible
  6. Levator Anguli Oris:action
    Raises upper lip making furrow (snarl)
  7. Lateral Pterygoid:origin
    Sphenoid
  8. Orbicularis Oris:action
    Protudes and shapes lips during speech/kissing
  9. Masseter:action
    Elevates mandible
  10. Levator Palpebrae:action
    Raises upper eyelid
  11. Masseter:insertion
    Mandible
  12. Orbicularis Oris:origin
    Upper and lower lips
  13. Frontalis:origin
    Epicranial aponeurosis
  14. Buccinator:insertion
    On angle of mouth
  15. Medial Pterygoid:origin
    • 1.Sphenoid
    • 2.Palatine
    • 3.Maxilla
  16. Depressor Labii Inferioris:action
    Depresses lower lip
  17. Lateral Pterygoid:insertion
    Mandible
  18. Depressor Anguli Oris:action
    Draws Down corner of mouth
  19. Buccinator:origin
    Maxilla and Mandible
  20. Masseter:origin
    • 1.Maxilla
    • 2.Zygomatic Arc
  21. Platysma:origin
    Upper fascia of thorax
  22. Mentalis:action
    Protudes lower lip
  23. Frontalis:action
    • Raises eyebrows and
    • wrinkles forehead
  24. Buccinator:action
    • Compresses cheecks for:
    • sucking
    • blowing
    • eating
  25. Medial Pterygoid:action
    Elevates Mandible
  26. Temporalis:insertion
    Mandible
  27. Orbicularis Oris:insertion
    Upper and lower lips
  28. Platysma:action
    • Depresses mandible
    • Depresses angle of mouth
  29. Platysma:insertion
    • On mandible
    • On corner of mouth
  30. Lateral Pterygoid:action
    Depresses mandible
  31. Temporalis:action
    Elevates mandible
  32. Frontalis:insetion
    Skin of forehead
  33. Temporalis:origin
    • 1.Frontal
    • 2.Parietal
    • 3.Temporal
  34. Orbicularis Occuli:action
    Closes eyelids
  35. Occipitalis:insertion
    Epicranial Aponeurosis
  36. Occipitalis:origin
    On occipital and temporal bone
  37. Corrugator:action
    Produces vertical wrinkling of forehead
  38. Levator Labii Superioris:action
    Elevates upper lip
  39. Orbicularis Oculi:insertion
    • On upper and lower eyelids
  40. Styloglossus:origin
    Temporal
  41. Styloglossus:insertion
    Tongue
  42. Styloglossus:action
    Retracts (pulls back) and elevates tongue
  43. Hyoglossus:origin
    Hyoid
  44. Hyoglossus:insertion
    Tongue
  45. Hyoglossus:action
    Retracts and depresses tongue
  46. Genioglossus:insertion
    • 1.Tongue
    • 2.Hyoid
  47. Genioglossus:origin
    Mandible
  48. Genioglossus:action
    Protudes and depresses tongue
  49. Superior Rectus:origin
    • Sphenoid
    • Insertion:Sclara
  50. Superior Rectus:action
    Rolls eyeball upward (elevation) and superiorly
  51. Inferior Rectus:origin
    • Sphenoid
    • Insertion:Sclara
  52. Inferior Rectus:action
    Rolls eyeball downward (depression) and inferiorly
  53. Medial Rectus:origin
    • Sphenoid
    • Insertion:Sclara
  54. Medial Rectus:action
    • Rolls eyeball medially
    • Both eyes converge on middline
  55. Lateral Rectus:origin
    • Sphenoid
    • Insertion:Sclara
  56. Lateral Rectus:action
    Rolls eyeball laterally (abduction)
  57. Superior Oblique:origin
    Sphenoid
  58. Superior Oblique:insertion
    Posterior Sclera of the eyeball O.O
  59. Superior Oblique:action
    Rotates eye inferiorly and laterally
  60. Inferior Oblique:origin
    Maxilla
  61. Inferior Oblique:insertion
    Poterior Sclara of eyeball O.O
  62. Inferior Oblique:action
    Rotates eye superiorly and laterally
  63. Palatine Muscle
    Palatoglossus:action
    Elevation of tongue
  64. Palatine Muscle
    Palatopharyngeus:action
    Eelevation of pharynx to close nasopharynx
  65. Palatine Muscle
    Levator Veli Palini and Tensor Veli Palini:action

    Elevates and tenses soft palate to close nasopharynx
  66. Palatine Muscle
    Musculus Uvulae:action
    Tenses and raises uvula
  67. Sternocleidomastoid:origin
    • 1.Sternum
    • 2.Clavicle
  68. Sternocleidomastoid:insertion
    Temporal
  69. Sternocleidomastoid:action
    • Flexes head and neck
    • Singly rotates face to opposite side
  70. Digastric:origin
    • 1.Mandible
    • 2.Temporal
  71. Digastric:insertion
    Hyoid
  72. Digastric:action
    Raises hyoid and depresses mandible
  73. Stylohyoid:origin
    Temporal
  74. Stylohyoid:insertion
    Hyoid
  75. Stylohyoid:action
    Raises hyoid + larynx
  76. Mylohyoid:origin
    Mandible
  77. Mylohyoid:insertion
    Hyoid
  78. Mylohyoid:action
    Raises hyoid + larynx
  79. Geniohyoid:origin
    Mandible
  80. Geniohyoid:insertion
    Hyoid
  81. Geniohyoid:action
    • Raises hyoid + larynx
    • Draws hyoid anteriorly
  82. Sternohyoid:origin
    • 1.Sternum
    • 2.Clavicle
  83. Sternohyoid:insertion
    Hyoid
  84. Sternohyoid:action
    Draws hyoid inferiorly
  85. Thyrohyoid:origin
    Thyroid Cartilage
  86. Thyrohyoid:insertion
    Hyoid
  87. Thyrohyoid:action
    Draws hyoid inferiorly
  88. Omohyoid:origin
    • 1.Scapula
    • 2.Clavicle
  89. Omohyoid:insertion
    Hyoid
  90. Omohyoid:action
    Draws hyoid inferiorly
  91. Insertion of all RECTUS eye muscles:
    Sclara

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