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Anatomy > Muscles Crossing The Hip And Knee Joint > Flashcards

Muscles Crossing The Hip And Knee Joint Flashcards

0
Q

Insertion of iliacus

A

Lesser trochanter of femur via iliopsoas tendon

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1
Q

Origin of iliacus

A

Iliac fossa, ala of sacrum

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2
Q

Action of iliacus

A

Prime mover in thigh Flexion and in flexing trunk

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3
Q

Innervation of iliacus

A

Femoral nerve

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4
Q

Origin of psoas major

A

By fleshy strips from transverse processes, bodies, and discs of lumbar vertebrae and t12

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5
Q

Insertion of psoas major

A

Lesser trochanter of femur via iliopsoas tendon

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6
Q

Action of psoas major

A

Mover in thigh Flexion and flexing trunk; lateral Flexion of vertebral column

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7
Q

Innervation of psoas major

A

Ventral rami

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8
Q

Origin of tensor fasciae latae

A

Anterior aspect of iliac crest and anterior superior iliac spine

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9
Q

Insertion of tensor fasciae latae

A

Iliotibial tract

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10
Q

Action of tensor fasciae latae

A

Steadies trunk on thigh by making iliotibial track taut

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11
Q

Innervation of tensor fasciae latae

A

Superior gluteal nerve

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12
Q

Origin of sartorius

A

Anterior superior iliac spine

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13
Q

Insertion of sartorius

A

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

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14
Q

Action of sartorius

A

Flexes, abducts, and laterally rotates thigh; flexes leg

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15
Q

Innervation of sartorius

A

Femoral nerve

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16
Q

Origin of rectus femoris

A

Anterior inferior iliac spine and superior margin of acetabulum

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17
Q

Insertion of rectus femoris

A

Patella and tibial tuberosity via patellar ligament

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18
Q

Action of rectus femoris

A

Extends knee and flexes thigh at the hip

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19
Q

Innervation of rectus femoris

A

Femoral nerve

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20
Q

Origin of vastus lateralis

A

Greater trochanter, intertrochanteric line, linea aspera

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21
Q

Insertion of vastus lateralis

A

Patella and tibial tuberosity via patellar ligament

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22
Q

Action of vastus lateralis

A

Extends and stabilizes knee

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23
Q

Innervation of vastus lateralis

A

Femoral nerve

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24
Q

Origin of vastus medialis

A

Linea aspera, medial supracondylar line, intertrochanteric line

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25
Q

Insertion of vastus medialis

A

Patellar and tibial tuberosity via patellar ligament

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26
Q

Action of vastus medialis

A

Extends knee

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27
Q

Innervation of vastus medialis

A

Femoral nerve

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28
Q

Origin of vastus intermedius

A

Anterior and lateral surfaces of proximal femur shaft

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29
Q

Insertion of vastus intermedius

A

Patellar and tibial tuberosity via patellar ligament

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30
Q

Action of vastus intermedius

A

Extends knee

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31
Q

Innervation of vastus intermedius

A

Femoral nerve

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32
Q

Origin of pectineus

A

Pectineal line of pubis (and superior ramus)

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33
Q

Insertion of pectineus

A

Line from lesser trochanter to linea aspera on posterior aspect of femur

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34
Q

Action of pectineus

A

Adducts, flexes, and medially rotates thigh

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35
Q

Innervation of pectineus

A

Femoral and sometime obturator nerve

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36
Q

Origin of gracilis

A

Inferior ramus and body of pubis and adjacent ischial ramus

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37
Q

Insertion of gracilis

A

Medial surface of tibia just inferior to its medial condyle

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38
Q

Action of gracilis

A

Adducts thigh; flexes and medially rotates leg

39
Q

Innervation of gracilis

A

Obturator nerve

40
Q

Origin of adductor longus

A

Pubis near pubic symphysis

41
Q

Insertion of adductor longus

A

Linea aspera

42
Q

Action of adductor longus

A

Adducts, flexes, and medially rotates thigh

43
Q

Innervation of adductor longus

A

Obturator nerve

44
Q

Origin of adductor brevis

A

Body and inferior ramus of pubis

45
Q

Insertion of adductor brevis

A

Linea aspera above adductor longus

46
Q

Action of adductor brevis

A

Adducts and medially rotates thigh

47
Q

Innervation of adductor brevis

A

Obturator nerve

48
Q

Origin of adductor Magnus

A

Ischial and pubic rami and ischial tuberosity

49
Q

Insertion of adductor Magnus

A

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

50
Q

Action of adductor Magnus

A

Adducts and medially rotates and flexes thigh; thigh extension

51
Q

Innervation of adductor Magnus

A

Obturator and sciatic nerve

52
Q

Origin of gluteus Maximus

A

Dorsal ilium, sacrum, coccyx

53
Q

Insertion of gluteus Maximus

A

Gluteal tuberosity of femur; iliotibial tract

54
Q

Action of gluteus Maximus

A

Major extensor of thigh

55
Q

Innervation of gluteus Maximus

A

Inferior gluteal nerve

56
Q

Origin of gluteus medius

A

Between anterior and posterior gluteal lines on lateral surface of ilium

57
Q

Insertion of gluteus medius

A

By short tendon into lateral aspect of greater trochanter of femur

58
Q

Action of gluteus medius

A

Abducts and medially rotates thigh

59
Q

Innervation of gluteus medius

A

Superior gluteal nerve

60
Q

Origin of gluteus minimus

A

Between anterior and inferior gluteal lines on external surface of ilium

61
Q

Insertion of gluteus minimus

A

Anterior border of greater trochanter of femur

62
Q

Action of gluteus minimus

A

Abducts and medially rotates thigh

63
Q

Innervation of gluteus minimus

A

Superior gluteal nerve

64
Q

Origin of biceps femoris

A

Ischial tuberosity (long head); linea aspera, lateral supracondylar line, and distal femur (short head)

65
Q

Insertion of biceps femoris

A

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

66
Q

Action of biceps femoris

A

Extends thigh and flexes knee

67
Q

Innervation of biceps femoris

A

Sciatic nerve: tibial nerve to long head, common fibular nerve to short head

68
Q

Origin of semitendinosus

A

Ischial tuberosity

69
Q

Insertion of semitendinosus

A

Medial aspect of upper tibial shaft

70
Q

Action of semitendinosus

A

Extends thigh and flexes knee

71
Q

Innervation of semitendinosus

A

Sciatic nerve-tibial portion

72
Q

Origin of semimembranosus

A

Ischial tuberosity

73
Q

Insertion of semimembranosus

A

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

74
Q

Action of semimembranosus

A

Extends thigh and flexes knee

75
Q

Innervation of semimembranosus

A

Sciatic nerve: tibial portion

76
Q

Origin of piriformis

A

Anterolateral surface of sacrum

77
Q

Insertion of piriformis

A

Superior border of greater trochanter of femur

78
Q

Action of piriformis

A

Rotates extended thigh laterally

79
Q

Innervation of piriformis

A

L4-S1

80
Q

Origin of obturator externus

A

Outer surface of obturator membrane, external surface of pubis and ischium, and margins of obturator foramen

81
Q

Insertion of obturator externus

A

By a tendon into trochanter if fossa of posterior femur

82
Q

Action of obturator externus

A

Rotates extended thigh laterally

83
Q

Innervation of obturator externus

A

Obturator nerve

84
Q

Origin of obturator internus

A

Inner surface of obturator membrane, greater sciatic notch, and margins of obturator foramen

85
Q

Insertion of obturator internus

A

Greater trochanter in front of piriformis

86
Q

Action of obturator internus

A

Rotates extended thigh laterally

87
Q

Innervation of obturator internus

A

L5 and S1

88
Q

Origin of gemellus

A

Ischial spine (superior); ischial tuberosity (inferior)

89
Q

Insertion of gemellus

A

Greater trochanter of femur

90
Q

Action of gemellus

A

Rotates extended thigh laterally

91
Q

Innervation of gemellus

A

L5 and S1

92
Q

Origin of quadratus femoris

A

Ischial tuberosity

93
Q

Insertion of quadratus femoris

A

Intertrochanteric crest of femur

94
Q

Action of quadratus femoris

A

Rotates thigh laterally and stabilizes hip joint

95
Q

Innervation of quadratus femoris

A

L5 and S1

Anatomy (13 decks)

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