OIA's

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lmcoh99
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201789
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OIA's
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2013-02-20 12:11:37
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OIA anatomy lab University of Colorado at Boulder
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  1. epicranius frontal belly
    • O: Galea aponeurotica 
    • I: skin of eyebrows
    • A: raises eyebrows
  2. epicranius posterior belly
    • O: superior Nuchal line, temporal bone
    • I: galea aponeurotica 
    • A: fixes galea aponeurotica
  3. Orbicularis oculi
    • O: frontal bone, maxillary bone
    • I: eyelid
    • A: closes eye
  4. zygomaticus major/
    zygomaticus minor
    • O: zygomatic bone
    • I: skin and muscle
    • A: smiling
  5. orbicularis oris
    • O: other facial muscles
    • I: other facial muscles
    • A: purses lips
  6. platysma
    • O: pectoral/deltoid fascia 
    • I: skin and muscle
    • A: lowers lip, depresses mandible
  7. Masseter
    • O: zygomatic arch
    • I: mandibular angle and mandibular ramus 
    • A: elevates mandible
  8. temporalis
    • O: temporal fossa
    • I: coronoid process of the mandible
    • A: elevates mandible, and retracts mandible
  9. genioglossus
    • O:mandible
    • I: tongue and hyoid
    • A: protracts tongue
  10. geniohyoid
    • O: mandible
    • I: hyoid
    • A: elevates hyoid and pulls anterior
  11. digastric, anterior and posterior bellies
    • O: mandible
    • I: hyoid
    • A: elevates hyoid or depresses mandible if hyoid fixed
  12. mylohyoid
    • O: mandible
    • I: hyoid
    • A: elevates hyoid and floor of mouth
  13. stylohyoid
    • O: styloid process
    • I: hyoid
    • A: elevates and retracts hyoid
  14. sternohyoid
    • O: sternum, clavicle
    • I: hyoid
    • A: depresses hyoid (& larynx)
  15. sternothyroid
    • O: sternum
    • I: thyroid cartilage
    • A: depresses larynx (& hyoid)
  16. thyrohyoid
    • O: thyroid cartilage
    • I: hyoid
    • A: depresses hyoid or elevates larynx
  17. omohyoid superior and inferior bellies
    • O: scapula
    • I: hyoid
    • A: depresses and retracts hyoid
  18. sternocleidomastoid
    • O: manubrium, medial clavicle 
    • I: mastoid process, superior nuchal line 
    • A: flexes and rotates the head
  19. scalenes anterior, middle, and posterior
    • O: transverse process (cervical vertebrae)
    • I: ribs 1 and 2
    • A: elevates ribs, flexes neck, rotates neck
  20. pectoralis major
    • O: clavicle, sternum, ribs (1-6)
    • I: greater tubercle
    • A: flexes arm at shoulder, rotates arm medially, adducts arm
  21. pectoralis minor
    • O: ribs (3-5)
    • I: coracoid process of the scapula 
    • A: depresses scapula, rotates scapula downwards
  22. serratus anterior
    • O: ribs (1-8)
    • I: vertebral border of the scapula
    • A: rotates scapula  upwards, protracts scapula
  23. external intercostals
    • O: superior ribs
    • I: inferior ribs
    • A: elevates rib cage
  24. internal intercostals
    • O: inferior ribs
    • I: superior ribs
    • A: depresses rib cage
  25. external oblique
    • O: ribs (5-9)
    • I: linea alba, pubic crest, pubic tubercle, iliac crest
    • A: flexes and rotates vertebral column, compresses abdomen
  26. internal obliques
    • O: lumbar fascia, iliac crest, inguinal ligament 
    • I: linea alb, pubic crest, ribs (9-12)
    • A: flexes and rotates vertebral column, compresses abdomen
  27. rectus abdominis
    • O: pubic crest, pubic symphysis 
    • I: xiphoid process, costal cartilages (ribs 5-7)
    • A: flexes and rotates vertebral column, compresses abdomen
  28. transversus abdominis
    • O: inguinal ligament, costal cartilages, iliac crest, lumbar fascia
    • I: linea alba, pubic crest
  29. deltoid
    • O: lateral 1/3 of clavicle, spine of scapula, acromion process of the scapula 
    • I: deltoid tuberosity
    • A: abducts arm; flexes arm at shoulder, rotates arm medially, extends arm at shoulder, rotates arm laterally
  30. biceps brachii long head
    • O: supraglenoid tubercle
    • I: radial tuberosity 
    • A: flexes forearm at elbow, supinates forearm
  31. biceps brachii short head
    • O: coracoid process
    • I: radial tuberosity
    • A: flexes forearm at elbow, supinates forearm
  32. brachialis
    • O: anterior humerus
    • I: coronoid process of the ulna
    • A: flexes forearm at elbow
  33. coracobrachialis
    • O: coracoid process
    • I: humerus shaft
    • A: flexes arm at shoulder, adducts arm
  34. brachioradialis
    • O: lateral supracondylar ridge
    • I: styloid process of the radius
    • A: flexes forearm at elbow, stabilizes elbow during flexion and extension
  35. extensor carpi radialis longus
    • O: lateral supracondylar ridge
    • I: 2nd metacarpal 
    • A: extends hand at wrist, abducts hand
  36. extensor carpi radialis brevis
    • O: lateral epicondyle
    • I: 3rd metacarpal 
    • A: extends hand at wrist, abducts hand
  37. extensor digitorum
    • O: lateral epicondyle 
    • I: distal phalanges of 2nd to 5th digit 
    • A: extends distal interphalangeal joints, extends hand at wrist
  38. extensor carpi ulnaris
    • O: lateral epicondyle, ulna
    • I: 5th metacarpal 
    • A: extends hand at wrist, adducts hand
  39. supinator
    • O: lateral epicondyle of the humerus, proximal ulna
    • I: radius
    • A: supinates forearm
  40. abductor pollicis longus
    • O: radius, ulna, interosseous membrane 
    • I: trapezium, 1st metacarpal
    • A: abducts pollex
  41. extensor pollicis brevis
    • O: radius, ulna, interosseous membrane
    • I: proximal phalanx of pollex
    • A: extends 1st metacarpal-phalangeal joint
  42. extensor pollicis longus
    • O: radius, ulna, interosseous membrane
    • I: distal phalanx of pollex 
    • A: extends 1st interphalangeal joint
  43. extensor indicis
    • O: ulna, interosseous membrane
    • I: distal phalanx of 2nd digit 
    • A: extends 2nd distal interphalangeal joint
  44. extensor digiti minimi
    • O: lateral epicondyle
    • I: distal phalanx of 5th digit 
    • A: extends 5th distal interphalangeal joint
  45. anconeus
    • O: lateral epicondyle
    • I: olecranon process
    • A: abducts ulna during pronation
  46. dorsal interossei
    • O: metacarpals (sides)
    • I: extensor expansions (digits 2, 3, 4) 
    • A: abducts fingers, flex metacarpals, extend phalanges
  47. sartorius
    • O: anterior superior iliac spine
    • I: tibia
    • A: flexes thigh at hip, rotates thigh laterally, abducts thigh, flexes leg at knee
  48. tensor fascia latae
    • O: anterior superior iliac spine, iliac crest
    • I: iliotibial tract 
    • A: flexes thigh at hip, abducts thigh, rotates thigh medially
  49. iliopsoas
    • O: iliac fossa, ala of the sacrum, transverse processes of (T12-L5)
    • I: lesser trochanter
    • A: flexes thigh at hip, flexes vertebral column
  50. pectineus
    • O: superior ramus of the pubis
    • I: linea aspera
    • A: adducts thigh, flexes thigh at hip, rotates thigh medially
  51. rectus femoris
    • O: anterior inferior iliac spine
    • I: patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament
    • A: extends leg at knee, flexes thigh at hip
  52. vastus lateralis
    • O: greater trochanter, intertrochanteric line, linea aspera 
    • I: patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament
    • A: extends leg at knee, stabilizes knee
  53. vastus medialis
    • O: linea aspera, intertrochanteric line
    • I: patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament
    • A: extends leg at knee, stabilizes patella
  54. vastus intermedius
    • O: proximal shaft of the femur
    • I: patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament
    • A: extends leg at knee
  55. gracilis
    • O: body and inferior ramus 
    • I: tibia
    • A: adducts thigh, flexes leg, medially rotates leg
  56. adductor longus
    • O: superior ramus
    • I: linea aspera
    • A: adducts thigh, flexes thigh, medially rotates thigh
  57. adductor brevis
    • O: body and inferior ramus
    • I: linea aspera
    • A: adducts thigh, medially rotates thigh
  58. adductor magnus
    • O: inferior ramus, ischial ramus, ischial tuberosity
    • I: linea aspera, adductor tubercle 
    • A: adducts thigh, medially rotates thigh, flexes thigh
  59. tibialis anterior
    • O: lateral condyle of the tibia, interosseous membrane
    • I: medial cuneiform, 1st metatarsal
    • A: dorsiflexes foot, inverts food
  60. extensor hallucis longus
    • O: fibula, interosseous membrane
    • I: distal phalanx of the great toe 
    • A: dorsiflexes foot, extends great toe
  61. extensor digitorum longus
    • O: lateral condyle of the tibia, fibula, interosseous membrane
    • I: middle and distal phalanges of 2nd-5th digit
    • A: extends toes (2-5)
  62. fibularis tertius
    • O: fibula, interosseous membrane
    • I: 5th metatarsal 
    • A: dorsiflexes foot, everts foot
  63. fibularis longus
    • O: head of the fibula
    • I: medial cuniform, 1st metatarsal
    • A: plantar flexes foot, everts foot
  64. fibularis brevis
    • O: shaft of fibula
    • I: 5th metatarsal
    • A: plantar flexes foot, everts foot
  65. extensor digitorum brevis
    • O: calcaneus
    • I: 1st proximal phalanx base, extensor expansions (2-4)
    • A: extends toes
  66. flexor digitorum brevis
    • O: calcaneal tuberosity 
    • I: middle phalanges (2-4) 
    • A: flexes toes
  67. abductor hallucis
    • O: calcaneal tuberosity 
    • I: 1st proximal phalanx 
    • A: abducts big toe
  68. abductor digiti minimi
    • O: calcaneal tuberosity
    • I: 5th proximal phalanx
    • A: abducts and flexes 5th toe
  69. flexor accessorius
    • O: calcaneus
    • I: flexor digitorum longus tendons
    • A: straightens out oblique pull of flexor digitorum longus
  70. lumbricals
    • O: flexor digitorum longus tendons 
    • I: extensor expansions (2-5)
    • A: flex metatarsals, extends phalanges
  71. flexor hallucis brevis
    • O: lateral cuneiform, cuboid
    • I: 1st proximal phalanx 
    • A: flexes 1st toe
  72. adductor hallucis
    • O: metatarsal bases (2-4)
    • I: 1st proximal phalanx
    • A: adducts toe
  73. flexor digiti minimi brevis
    • O: 5th metatarsal base
    • I: 5th proximal phalanx
    • A: flexes 5th toe
  74. plantar interossei
    • O: metatarsals (3, 4, 5)
    • I: extensor expansions (2-5)
    • A: abducts toes, flex metatarsals, extends phalanges
  75. Trapezius
    • O: superior nuchal line, spinous processes (C7-T12)
    • I: clavicle, spine of scapula, acromion process
    • A: elevates scapula, depresses scapula, rotates scapula, adducts scapula
  76. latissimus dorsi
    • O: spinous processes of (t7-T12), ribs (9-12), iliac crest
    • I: intertubercular groove 
    • A: extends arm at shoulder, adducts arm, rotates arm medially
  77. levator scapula
    • O: transverse processes of (C1-C4)
    • I: vertebral border
    • A: elevates scapula, downwardly rotates scapula
  78. rhomboid major
    • O: spinous processes of (T2-T5)
    • I: vertebral border
    • A: adducts scapula, downwardly rotates scapula
  79. rhomboid major
    • O: spinous processes of (C7-T1)
    • I: vertebral border 
    • A: adducts scapula, downwardly rotates scapula
  80. supraspinatus
    • O: supraspinous fossa
    • I: greater tubercle
    • A: abducts arm
  81. infraspinatus
    • O: infraspinous fossa
    • I: greater tubercle
    • A: rotates arm laterally
  82. teres major
    • O: inferior angle
    • I: lesser tubercle
    • A: adducts arm, extends arm at shoulder, rotates arm medially
  83. teres minor
    • O: lateral border
    • I: greater tubercle
    • A: rotates arm laterally
  84. subscapularis
    • O: subscapular fossa
    • I: lesser tubercle
    • A: rotates arm medially
  85. splenius capitis
    • O: spinous processes (C6-T7)
    • I: mastoid process, occipital bone
    • A: extends vertebral column
  86. semispinalis capitis
    • O: transverse processes of (C7-T12)
    • I: occipital bone
    • A: extends vertebral column
  87. iliocostalis
    • O: iliac crest, ribs (3-12)
    • I: ribs, transverse processes (C4-C6)
    • A: extends vertebral column
  88. longissimus
    • O: transverse processes (C4-L5)
    • I: mastoid process
    • A: extends vertebral column
  89. spinalis
    • O: spinous processes (T7-L3)
    • I: spinous processes (C4-T6)
    • A: extends vertebral column
  90. triceps brachii long head
    • O: infraglenoid tubercle
    • I: olecranon process
    • A: extends forearm
  91. triceps brachii lateral and medial head
    • O: humerus shaft
    • I: olecranon process
    • A: extends forearm
  92. flexor carpi radialis
    • O: medial epicondyle of the humerus
    • I: 2nd and 3rd metacarpals
    • A: flexes hand at wrist, abducts hand
  93. palmaris longus
    • O: medial epicondyle of the humerus 
    • I: palmar aponeurosis
    • A: flexes hand at wrist
  94. flexor carpi ulnaris
    • O: medial epicondyle of the humerus, coronoid process of ulna, shaft of ulna 
    • I: pisiform, hamate, 5th metacarpal
    • A: flexes hand at wrist, adducts hand
  95. flexor digitorum superficialis
    • O: medial epicondyle o the humerus, coronoid process of ulna, shaft of radius 
    • I:middle phalanges (2-5)
    • A: flexes hand at wrist, flexes proximal interphalangeal joints
  96. flexor digitorum profundus
    • O: ulna and interosseus membrane
    • I: distal phalanges (2-5)
    • A: flexes distal interphalangeal joints
  97. flexor pollicis longus
    • O: anterior radius and interosseus membrane
    • I: distal phalanx of pollex
    • A: flexes 1st interphalangeal joint
  98. pronator quadratus
    • O: ulna
    • I: radius
    • A: pronates forearm
  99. pronator teres
    • O: medial epicondyle of the humerus
    • I: lateral radius
    • A: pronates forearm
  100. abductor pollicis brevis
    • O: carpals
    • I: 1st proximal phalanx
    • A: abducts thumb
  101. flexor pollicis brevis
    • O: trapezium, flexor retinaculum
    • I: 1st proximal phalanx
    • A: flexes thumb
  102. opponens pollicis brevis
    • O: trapezium, flexor retinaculum
    • I: 1st metacarpal
    • A: opposition
  103. adductor pollicis
    • O: capitate, metacarpal bases 2nd-4th
    • I: 1st proximal phalanx 
    • A: adducts thumb, helps with opposition
  104. abductor digiti minimi
    • O: pisiform
    • I: 5th proximal phalanx
    • A: abducts 5th digit
  105. flexor digiti minimi brevis
    • O: hamate, flexor retinaculum
    • I: 5th proximal phalanx 
    • A: flexes 5th metacarpophalangeal joint
  106. opponens digiti minimi
    • O: hamate, flexor retinaculum
    • I: 5th metacarpal
    • A: opposition
  107. lumbricals
    • O: flexor digitorum profundus tendons 
    • I: extensor expansions (2-5)
    • A: flex metacarpophalangeal joint, extend interphalangeal joints
  108. Palmar interossei
    • O: metacarpals (1,2,4,5)
    • I: extensor expansions (1,2,4,5)
    • A: adduct fingers
  109. gluteus maximus
    • O: gluteal surface
    • I: iliotibial tract, gluteal tuberosity
    • A: extends, laterally rotates, and abducts thigh
  110. gluteus medius/ gluteus minimus
    • O: gluteal suraface 
    • I: greater trochanter
    • A: abducts and medially rotates thigh
  111. piriformis
    • O: sacrum
    • I: greater trochanter
    • A: laterally rotates and extends thigh
  112. superior and inferior gemmelus
    • O: ischial spine, ischial tuberosity
    • I: greater trochanter
    • A: as for piriformis
  113. obturator internus
    • O: greater sciatic notch, obturator foramen
    • I: greater trochanter
    • A: as for piriformis
  114. biceps femoris long head
    • O: ischial tuberosity
    • I: head of the fibula, lateral condyle of the tibia
    • A: extends thigh at hip, flexes leg at knee, rotates leg laterally
  115. biceps femoris short head
    • O: linea aspera
    • I: head of the fibula, lateral condyle of the tibia
    • A: flexes leg at knee, rotates leg laterally
  116. semitendinosus
    • O: ischial tuberosity
    • I: shaft of tibia
    • A: extends thigh at hip, flexes leg at knee, rotates leg medially
  117. semimembranosus
    • O: ischial tuberosity 
    • I: medial condyle of the tibia
    • A: extends thigh at hip; flexes leg at knee, rotates leg medially
  118. gastrocnemius
    • O: lateral condyle of the femur, medial condyle of the femur 
    • I: calcaneus
    • A: plantar flexes foot
  119. soleus
    • O: tibia, fibula, interosseous membrane 
    • I: calcaneus
    • A: plantar flexes foot
  120. tibialis posterior
    • O: tibia, fibula, interosseous membrane
    • I: navicular bone, metatarsals (2-4)
    • A: plantar flexes foot, inverts foot
  121. flexor digitorum longus
    • O: shaft of tibia
    • I: distal phalanges (2-5)
    • A: plantar flexes foot, inverts foot, flexes toes
  122. flexor hallucis longus
    • O: shaft of the fibula, interosseous membrane
    • I: distal phalanx of hallux
    • A: plantar flexes foot, inverts footm flexes big toe
  123. popliteus
    • O: lateral condyle of femur
    • I: proximal tibia
    • A: flexes and medially rotates leg to unlock the knee

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