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Clinical Anatomy > Pelvis, Hip and Thigh Muscles > Flashcards

Pelvis, Hip and Thigh Muscles Flashcards

1
Q

Action of Adductor Longus

A

Adducts thigh

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1
Q

Action of Adductor Brevis

A

Adducts thigh and aids with flexion

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2
Q

Action of Adductor Magnus

A

Adducts thigh, Adductor Portion flexes thigh, Hamstring Portion extends thigh

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2
Q

Action of Biceps Femoris

A

Flexes and laterally rotates leg; Long Head of BF extends thigh

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3
Q

Action of Gemellus Inferior

A

Abducts and laterally rotates femur, stabilizes femoral head

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4
Q

Action of Gemellus Superior

A

Abducts and laterally rotates femur, stabilizes femoral head

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5
Q

Action of Gluteus Maximus

A

Hip extension, external rotation

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6
Q

Action of Gluteus Medius

A

Abducts and medially rotates femur, stabilize pelvis

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6
Q

Action of Gluteus Minimus

A

Abducts and medially rotates femur, stabilizes pelvis

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7
Q

Action of Gracilis

A

Adducts thigh, flexes leg, and helps to rotate it medially

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8
Q

Action of Iliacus

A

Flexes thigh, stabilizes hip joint, acts with psoas major

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9
Q

Action of Obturator Externus

A

Laterally rotates thigh, steadies head of femur in acetabulum

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10
Q

Action of Obturator Internus

A

Abducts and laterally rotates femur, stabilizes femoral head

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10
Q

Action of Pectineus

A

Adducts and flexes thigh

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12
Q

Action of Psoas Major

A

Flexes thigh, acting superiorly- lateral flexion of trunk, balances trunk

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13
Q

Action of Quadratus Femoris

A

Laterally rotates femur, stabilizes femoral head

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13
Q

Action of Sartorius

A

Flexes, abducts, and laterally rotates thigh

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13
Q

Action of Rectus Femoris

A

Flexes hip, extends knee

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14
Q

Action of Semimembranosus

A

Extend thigh, flex and medially rotate leg

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15
Q

Action of Semitendinosus

A

Extend thigh, flexes and medially rotates leg

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16
Q

Action of Tensor Fascia Latae

A

Abducts, medially rotates, flexes thigh, helps keep knee extended

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16
Q

Action of Vastus Intermedius

A

Extends knee

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17
Q

Action of Vastus Lateralis

A

Extends knee

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18
Q

Action of Vastus Medialis

A

Extends knee

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19
Q

Innervation Gluteus Medius

A

Superior gluteal nerve (L5, S1)

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20
Q

Innervation of Adductor Brevis

A

Obturator nerve, anterior branches of L2, L3, L4

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21
Q

Innervation of Adductor Longus

A

Obturator nerve, Anterior branch (L2, L3, L4)

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22
Q

Innervation of Adductor Magnus

A

Adductor portion is innervated by obturator nerve (L2, L3, L4) Hamstring portion is innervated by tibial nerve (L4)

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23
Q

Innervation of Gemellus Inferior

A

Nerve to quadratus femoris (L5, S1)

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23
Q

Innervation of Biceps Femoris

A

Long Head: Tibial Nerve (L5, S1, S2), Short Head: Common peroneal (L5, S1, S2)

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25
Q

Innervation of Gluteus Maximus

A

Inferior gluteal nerve (L5, S1, S2)

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25
Q

Innervation of Gemellus Superior

A

Nerve to Obturator Internus (L5, S1)

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26
Q

Innervation of Gluteus Minimus

A

Superior gluteal nerve (L5, S1)

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27
Q

Innervation of Iliacus

A

Femoral Nerve (L2-L4)

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27
Q

Innervation of Gracilis

A

Obturator nerve (L2, L3)

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29
Q

Innervation of Obturator Externus

A

Obturator nerve (L3, L4)

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30
Q

Innervation of Obturator Internus

A

Nerve to Obturator Internus (L5, S1)

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31
Q

Innervation of Pectineus

A

Femoral nerve (L2, L3) may receive branches of obturator nerve

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32
Q

Action of Piriformis

A

Abducts and laterally rotates femur, stabilizes femoral head

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33
Q

Innervation of Piriformis

A

Branches of anterior rami of S1 and S2

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34
Q

Innervation of Psoas Major

A

Lumbar plexus, anterior branches L2-L4

35
Q

Innervation of Quadratus Femoris

A

Nerve to quadratus femoris (L5, S1)

36
Q

Innervation of Rectus Femoris

A

Femoral nerve (L2, L3, L4) posterior division

37
Q

Innervation of Sartorius

A

Femoral nerve (L2, L3)

38
Q

Innervation of Semimembranosus

A

Tibial nerve (L5, S1, S2)

39
Q

Innervation of Tensor Fascia Latae

A

Superior gluteal nerve (L4, L5)

39
Q

Innervation of Semitendinosus

A

Tibial nerve (L5, S1, S2)

40
Q

Innervation of Vastus Intermedius

A

Femoral nerve (L2, L3, L4) posterior division

41
Q

Innervation of Vastus Lateralis

A

Femoral nerve (L2, L3, L4) posterior division

42
Q

Innervation of Vastus Medialis

A

Femoral nerve (L2, L3, L4) posterior division

43
Q

Insertion of Adductor Longus

A

Middle 1/3 of linea aspera

43
Q

Insertion of Adductor Brevis

A

Pectineal line, proximal part of linea aspera

44
Q

Insertion of Adductor Magnus

A

Gluteal tuberosity, linea aspera, medial supracondylar line (adductor part), adductor tubercle of femur (hamstring part)

45
Q

Insertion of Biceps Femoris

A

Lateral side of head of fibula, tendon, is split by LCL

46
Q

Insertion of Gemellus Inferior

A

Medial surface of greater trochanter

47
Q

Insertion of Gemellus Superior

A

Medial surface of greater trochanter

48
Q

Insertion of Gluteus Maximus

A

Iliotibial tract to lateral condyle of tibia, gluteal tuberosity of femur

50
Q

Insertion of Gluteus Medius

A

Lateral surface of greater trochanter

51
Q

Insertion of Gluteus Minimus

A

Anterior surface of greater trochanter

52
Q

Insertion of Gracilis

A

Pes Anserine tendon

54
Q

Insertion of Iliacus

A

Lesser trochanter, diaphysis of femur, psoas major tendon

55
Q

Insertion of Obturator Externus

A

Trochanteric fossa of femur

56
Q

Insertion of Obturator Internus

A

Medial surface of greater trochanter

57
Q

Insertion of Pectineus

A

Pectineal line of femur

59
Q

Insertion of Piriformis

A

Superior border of greater trochanter

61
Q

Insertion of Psoas Major

A

Strong tendon to lesser trochanter of femur

62
Q

Insertion of Quadratus Femoris

A

Quadrater Tubercle of intertrochanteric crest

63
Q

Insertion of Rectus Femoris

A

Base of patella via patellar ligament to tibial tuberosity

64
Q

Insertion of Sartorius

A

Pes Anserine Tendon

65
Q

Insertion of Semimembranosus

A

Posterior part of medial condyle of tibia

66
Q

Insertion of Semitendinosus

A

Pes Anserine tendon

68
Q

Insertion of Tensor Fascia Latae

A

Iliotibial tract to lateral condyle of tibia

69
Q

Insertion of Vastus Intermedius

A

Base of patella via patellar ligament to tibial tuberosity

70
Q

Insertion of Vastus Lateralis

A

Base of patella via patellar ligament to tibial tuberosity

71
Q

Insertion of Vastus Medialis

A

Base of patella via patellar ligament to tibial tuberosity

72
Q

Origin of Adductor Brevis

A

Body and inferior ramus of pubis

74
Q

Origin of Adductor Longus

A

Body of pubis, inferior to pubic crest

75
Q

Origin of Adductor Magnus

A

Inferior ramus of pubis of ischium (adductor part) and ischial tuberosity

76
Q

Origin of Biceps Femoris

A

Long Head: Ischial tuberosity; Short Head: Lateral lip of linea aspera, lateral supracondylar line

78
Q

Origin of Gemellus Inferior

A

Ischial tuberosity

79
Q

Origin of Gemellus Superior

A

Ischial spine

81
Q

Origin of Gluteus Maximus

A

External surface of ala of ilium, iliac crest, dorsal surface of sacrum and coccyx, sacrotuberous

82
Q

Origin of Gluteus Medius

A

External surface of ilium between anterior and posterior gluteal lines

83
Q

Origin of Gluteus Minimus

A

External surface of ilium between anterior and inferior gluteal lines

85
Q

Origin of Iliacus

A

Superior 2/3 iliac fossa, ala of sacrum, anterior SI ligaments

87
Q

Origin of Obturator Externus

A

Margin of obturator foramen and obturator membrane

88
Q

Origin of Obturator Internus

A

Pelvic surface of obturator membrane and surrounding bones

89
Q

Origin of Pectineus

A

Pectineal line of pubis

90
Q

Origin of Piriformis

A

Anterior surface of sacrum, sacrotuberous ligament

91
Q

Origin of Psoas Major

A

Transverse processes of L1-L5, sides of bodies of T12-L5 and intervening disks

92
Q

Origin of Quadratus Femoris

A

Lateral border of Ischial Tuberosity

93
Q

Origin of Sartorius

A

ASIS and superior part of notch just inferior to it

93
Q

Origin of Rectus Femoris

A

AIIS, superior rim of acetabulum

94
Q

Origin of Gracilis

A

Body of inferior ramus of pubis

95
Q

Origin of Semimembranosus

A

Ischial tuberosity

96
Q

Origin of Semitendinosus

A

Ischial Tuberosity

97
Q

Origin of Tensor Fascia Latae

A

ASIS, anterior part of external lip of iliac crest

98
Q

Origin of Vastus Intermedius

A

Anterior and lateral surfaces of body of femur

99
Q

Origin of Vastus Lateralis

A

Greater trochanter, lateral lip of linea aspera

100
Q

Origin of Vastus Medialis

A

Intertrochanteric line, medial lip of linea aspera

Clinical Anatomy (7 decks)

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