Actions, Insertions, Origins.txt

  1. orbicularis oculi: action
    close eye
  2. orbicularis oris: action
    close and purse lips
  3. masseter: origin
    zygomatic arch
  4. masseter: insertion
    angle and ramus of mandible
  5. masseter: action
    elevate mandible and close jaw
  6. temporalis: action
    elevate mandible and close jaw
  7. sternocleidomastoid - clavicular head: origin
    sternal end of the clavicle
  8. sternocleidomastoid - clavicular head: insertion
    mastoid process of temporal bone
  9. sternocleidomastoid - clavicular head: action
    opposite rotation of head, lateral flexion of neck
  10. sternocleidomastoid - sternal head: origin
    manubrium of sternum
  11. sternocleidomastoid - sternal head: insertion
    mastoid process of temporal bone
  12. sternocleidomastoid - sternal head: action
    opposite rotation of head, lateral flexion of neck
  13. erector spinae muscle group: action
    extension of verebral column, lateral flexion of vertebral column
  14. trapezius - upper: origin
    occipital bone
  15. trapezius - upper: insertion
    lateral end of clavicle, acromion and spine of scapula
  16. trapezius - upper: action
    elevates scapulae, extends neck
  17. trapezius - middle: origin
    ligamentum nuchae
  18. trapezius - middle: insertion
    lateral end of clavicle, acromion and spine of scapula
  19. trapezius - middle: action
    retraction and abduction of scapulae
  20. trapezius - lower: origin
    spinous processes of throacic vertebrae
  21. trapezius - lower: insertion
    lateral end of clavicle, acromion and spine of scapula
  22. trapezius - lower: action
    depresses scapulae
  23. deltoid - anterior: origin
    lateral end of clavicle
  24. deltoid - anterior: insertion
    deltoid tuberosity of humerus
  25. deltoid - anterior: action
    flexes humerus; medially rotate humerus
  26. deltoid - middle: origin
    acromion of scapula
  27. deltoid - middle: insertion
    deltoid tuberosity
  28. deltoid - middle: action
    abduction of humerus
  29. deltoid - posterior: origin
    spine of scapula
  30. deltoid - posterior: insertion
    deltoid tuberosity
  31. deltoid - posterior: action
    extension and hyperextension of humerus; lateral rotation of humerus
  32. supraspinatus: origin
    supraspinous fossa of scapula
  33. supraspinatus: insertion
    greater tubercle of humerus
  34. supraspinatus: action
    stablize shoulder joint; abducts arm
  35. infraspinatus: origin
    infraspinous fossa of scapula
  36. infraspinatus: insertion
    greater tubercle of humerus
  37. infraspinatus: action
    stablize shoulder joint, laterally rotate humerus
  38. teres minor: origin
    lateral border of scapula
  39. teres minor: insertion
    greater tubercle of humerus
  40. teres minor: action
    stabilize shoulder joint, lateral rotation of humerus
  41. subscapularis: origin
    subscapular fossa of scapula
  42. subscapularis: insertion
    lesser tubercle of humerus
  43. subscapularis: action
    stabilize shoulder joint, medial rotation of humerus
  44. teres major: origin
    inferior angle of scapula
  45. teres major: insertion
    intertubercular sulcus of humerus
  46. teres major: action
    extension and medial rotation of humerus
  47. latissimus dorsi: origin
    spinous processes of lower throacic and lumbar vertebrae, floating ribs, and thoracolumbar fascia
  48. latissimus dorsi: insertion
    intertubercular sulcus of humerus
  49. latissimus dorsi: action
    adduction, extension, and medial rotation of humerus
  50. biceps brachii - long head: origin
    superior border of glenoid fossa on scapula
  51. biceps brachii - long head: insertion
    radial tuberosity
  52. biceps brachii - long head: action
    flexion at elbow and shoulder, supination of forearm
  53. biceps brachii - short head: origin
    coracoid process of scapula
  54. biceps brachii - short head: insertion
    radial tuberosity
  55. biceps brachii - short head: action
    flexion at elbow and shoulder, supination of forearm
  56. triceps brachii - long head, lateral head, medial head: insertion
    olecranon process of ulna
  57. triceps brachii - long head, lateral head, medial head: action
    extension of elbow (long head also adducts humerus)
  58. piriformis: origin
    sacrum
  59. piriformis: insertion
    greater trochanter of femur
  60. piriformis: action
    lateral rotation of thigh, hip abduction
  61. tensor fasciae latae: origin
    anterior superior illiac spine, and illiac crest
  62. tensor fasciae latae: insertion
    illiotibial tract
  63. tensor fasciae latae: action
    laterally supports knee (by tensing illiotibial tract). Also abducts hip
  64. gracilis: origin
    inferior pubic ramus
  65. gracilis: insertion
    medial surface of tibia inferior to medial condyle
  66. gracilis: action
    adducts thigh at hip; flexes leg at knee
  67. psoas major: action
    flexes thigh at hip; flex vertebral column
  68. vastus lateralis: origin
    greater trochanter of femur, linea aspera
  69. vastus lateralis: insertion
    tibial tuberosity via patellar ligament, patella, and quadriceps tendon
  70. vastus lateralis: action
    extends leg at knee
  71. rectus femoris: origin
    anterior inferior illiac spine
  72. rectus femoris: insertion
    tibial tuberosity via patellar ligament, patella, and quadriceps tendon
  73. rectus femoris: action
    extends leg at knee; flexes hip (brings femur close to torso)
  74. vastus medialis: origin
    linea aspera
  75. vastus medialis: insertion
    tibial tuberosity via patellar ligament, patella, and quadriceps tendon
  76. vastus medialis: action
    extends leg at knee
  77. vastus intermedius: origin
    anterolateral surface of femur
  78. vastus intermedius: insertion
    tibial tuberosity via patellar ligament, patella, and quadriceps tendon
  79. vastus intermedius: action
    extends leg at knee
  80. biceps femoris - long head: origin
    ischial tuberosity
  81. biceps femoris - long head: insertion
    head of fibula; lateral condyle of tibia
  82. biceps femoris - long head: action
    knee flexion and hip extension
  83. biceps femoris - short head: origin
    linea aspera of femur
  84. biceps femoris - short head: insertion
    head of fibula; lateral condyle of tibia
  85. biceps femoris - short head: action
    knee flexion; hip extension
  86. semimembranosus: origin
    ischial tuberosity
  87. semimembranosus: insertion
    medial condyle of tibia (posterior surface)
  88. semimembranosus: action
    knee flexion; hip extension
  89. semitendinosus: origin
    ischial tuberosity
  90. semitendinosus: insertion
    proximal, medial surface of tibia
  91. semitendinosus: action
    knee flexion; hip extension
  92. sartorius: origin
    anterior superior illiac spine
  93. sartorius: insertion
    near tibial tuberosity
  94. sartorius: action
    flex, abduct, lateral rotate thigh @ hip joint; knee flexion
  95. gastrocnemius: origin
    just above femoral condyles
  96. gastrocnemius: insertion
    calcaneus via calcaneal tendon
  97. gastrocnemius: action
    plantar flexion; knee flexion
Author
Rotoni
ID
109550
Card Set
Actions, Insertions, Origins.txt
Description
action, insertion, and origins of skeletal muscles
Updated