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Human Anatomy > Lab Exam 4 > Flashcards

Lab Exam 4 Flashcards

1
Q

Origin of Rectus femoris:

A

Superior margin of acetabulum

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2
Q

Insertion of Rectus femoris:

A

Patella and tibial tuberosity via patellar ligament

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3
Q

Actions of Vastus lateralis:

A

Extends leg and stabilizes knee

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4
Q

Origins of Vastus lateralis:

A

Greater trochanter, Intertrochanteric line, and linea aspera of the femur

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5
Q

Insertion of Vastus lateralis:

A

Patella and tibial tuberosity via patellar ligament

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6
Q

Action of Vastus intermedius:

A

Extends leg

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7
Q

Origins of Vastus intermedius:

A

Anterior and lateral surfaces of proximal femur shaft

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8
Q

Insertion of Vastus intermedius:

A

Patella and tibial tuberosity to via patellar ligament

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9
Q

Action of Vastus medialis:

A

Extends leg

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10
Q

Origins of Vastus medialis:

A

Linea aspera, medial supracondylar line, intertrochanteric line

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11
Q

Insertion of Vastus medialis:

A

Patella and tibial tuberosity via patellar ligament

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12
Q

Actions of Sartorius:

A

Flexes, abducts, and laterally rotates thigh; flexes leg of the knee

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13
Q

Origin of Sartorius:

A

Anterior superior iliac spine of the pelvic bone

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14
Q

Insertion of Sartorius:

A

Winds around medial aspect of knee and inserts into medial aspect of proximal tibia

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15
Q

Actions of Gracilis:

A

Adducts thigh, flexes and medically rotates leg

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16
Q

Origins of Gracilis:

A

Inferior army’s and body of pubis and adjacent ischial ramus

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17
Q

Insertion of Gracilis:

A

Medial surface of tibia just inferior to its medial condyle

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18
Q

Actions of Adductor magnus:

A

Adducts and medially rotates and flexes thigh; thigh extension

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19
Q

Origins of Adductor magnus:

A

Ischial and pubic rami and ischial tuberosity

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20
Q

Insertions of Adductor magnus:

A

Linea aspera, medial supracondylar line, and adductor tubercle of femur

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21
Q

Actions of Adductor longus:

A

Adducts, flexes, and medially rotates thigh

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22
Q

Origin of Adductor longus:

A

Pubis

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23
Q

Insertion of Adductor longus:

A

Post femur

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24
Q

Actions of Adductor brevis:

A

Adducts and medially rotates thigh

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25
Q

Insertion of Adductor brevis:

A

Post femur

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26
Q

Origin of Adductor brevis:

A

Pubis

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27
Q

Actions of Tensor fasciae latae:

A

Steadies trunk on thigh by making iliotibial tract taut

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28
Q

Origin of Pectineus:

A

Pubis

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29
Q

Insertion of Pectineus:

A

Post femur

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30
Q

Actions of Pectineus:

A

Adducts, flexes, and medially rotates thigh

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31
Q

Origins of Tensor fasciae latae:

A

Anterior aspect of iliac crest and anterior superior iliac spine

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32
Q

Insertion of Tensor fasciae latae:

A

Iliotibial tract

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33
Q

Action of Gluteus maximus:

A

Major extensor of thigh

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34
Q

Origins of Gluteus maximus:

A

Dorsal ilium, sacrum, and coccyx

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35
Q

Insertions of Gluteus maximus:

A

Gluteal tuberosity of femur

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36
Q

Actions of Gluteus medius:

A

Abducts and medially rotates thigh

37
Q

Insertion of Gluteus medius:

A

By short tendon into lateral aspect of greater trochanter of femur

38
Q

Actions of Hamstrings:

A

Thigh extension; and leg flexion

39
Q

Origin of Hamstrings:

A

Ischial tuberosity

40
Q

Insertions of Hamstrings:

A

Tibia and fibula

41
Q

Actions of Biceps femoris:

A

Extends thigh and flexes leg

42
Q

Origins of Biceps femoris:

A

Ischial tuberosity, linea aspera, lateral supracondylar line, and distal femur

43
Q

Insertions of Biceps femoris:

A

Common tendon passes downward and laterally to insert into head of fibula and lateral condyle of tibia

44
Q

Actions of Semitendinosus:

A

Extends thigh and flexes leg

45
Q

Origin of Semitendinosus:

A

Ischial tuberosity

46
Q

Insertion of Semitendinosus:

A

Medial aspect of upper tibial shaft

47
Q

Actions of Semimembranosus:

A

Extends thigh and flexes leg

48
Q

Origin of Semimembranosus:

A

Ischial tuberosity

49
Q

Insertions of Semimembranosus:

A

Medial condyle of tibia; thru oblique ligament of knee to lateral condyle of femur

50
Q

Action of Tibialis anterior:

A

Prime mover of dorsiflexion

51
Q

Insertion of Tibialis anterior:

A

By tendon into inferior surface of medial cuneiform and first metatarsal bone

52
Q

Action of Extensor hallucis longus:

A

Extends great toe

53
Q

Insertion of Extensor hallucis longus:

A

Tendon inserts on distal phalanx of great toe

54
Q

Action of Extensor digitorum longus:

A

Prime mover of toe extension

55
Q

Insertion of Extensor digitorum longus:

A

Metal and distal phalanges of toes 2-4 via extensor expansion

56
Q

Action of Fibularis tertius:

A

Dorsiflexes and everts foot

57
Q

Insertion of Fibularis tertius:

A

Tendon inserts on dorsum of 5th metatarsal

58
Q

Actions of Fibularis brevis:

A

Plantar flexes and everts foot

59
Q

Insertion of Fibularis brevis:

A

By tendon running behind lateral malleolus to insert on proximal end of 5th metatarsal

60
Q

Actions of Fibularis longus:

A

Plantar flexes and everts foot

61
Q

Insertion of Fibularis longus:

A

By long tendon that curves underfoot to first metatarsal and medial cuneiform

62
Q

Action of Tibialis posterior:

A

Prime mover of foot inversion

63
Q

Insertions of Tibialis posterior:

A

Tendon passes behind medial malleolus and under arch of foot; inserts into several tarsals and metatarsals 2-4

64
Q

Actions of Flexor digitorum longus:

A

Plantar flexes and inverts foot; flexes toes

65
Q

Insertion of Flexor digitorum longus:

A

Tendon runs behind medial malleolus and splits to insert into distal phalanges of toes 2-5

66
Q

Actions of Flexor hallucis longus:

A

Plantar flexes and inverts foot; flexes great toe at all joints

67
Q

Insertion of Flexor hallucis longus:

A

Tendon runs under foot to distal phalanx of great toe

68
Q

Action of Gastrocnemius:

A

Plantar flexes foot

69
Q

Origin of Gastrocnemius:

A

By 2 heads from medial and lateral condyles of femur

70
Q

Insertion of Gastrocnemius:

A

Posterior calcaneus via calcaneal tendon

71
Q

Action of Soleus:

A

Plantar flexes foot

72
Q

Origins of Soleus:

A

Extensive cone-shaped origin from superior tibia, fibula, and interosseous membrane

73
Q

Insertion of Soleus:

A

Posterior calcaneus via calcaneal tendon

74
Q

Actions of Sternocleidomastoid:

A

Flexes and laterally rotates the head

75
Q

Origins of Sternocleidomastoid:

A

Manubrium of sternum and medial portion of clavicle

76
Q

Insertions of Sternocleidomastoid:

A

Mastoid process of temporal bone and superior nuchal line of occipital bone

77
Q

Actions of Rectus femoris:

A

Extends leg and flexes thigh

78
Q

Action of Rectus abdominis:

A

Flex and rotate lumbar region of vertebral column

79
Q

Origins of Rectus abdominis:

A

Pubic crest and symphysis

80
Q

Insertions of Rectus abdominis:

A

Xiphoid process and costal cartilages of ribs 5-7

81
Q

Actions of External oblique:

A

Flex vertebral column and compress abdominal wall; trunk rotation and lateral flexion

82
Q

Origins of External oblique:

A

By fleshy strips from outer surfaces of lower 8 ribs

83
Q

Insertions of External oblique:

A

Most fibers insert into linea alba via a broad aponeurosis; some insert into pubic crest and tubercle and iliac crest

84
Q

Actions of Internal oblique:

A

Flex vertebral column and compress abdominal wall; trunk rotation and lateral flexion

85
Q

Origins of Internal oblique:

A

Lumbar fascia; iliac crest, and inguinal ligament

86
Q

Insertions of Internal oblique:

A

Linea alba, pubic crest, last 3 or 4 ribs, and costal margin

87
Q

Action of Transversus abdominis:

A

Compresses abdominal contents

88
Q

Origins of Transversus abdominis:

A

Inguinal ligament, lumbar fascia, cartilages of last 6 ribs; iliac crest

89
Q

Insertions of Transversus abdominis:

A

Linea alba, pubic crest

Human Anatomy (12 decks)

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