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hip, pelvis and thigh muscles Flashcards

1
Q

what is the ORIGIN of the psoas major

A

tp l1-l5, vertebral body t12-l5

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2
Q

INSETION of the psoas major

A

lesser trochanter

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3
Q

ACTION of the psoas major

A

hip flexion, er

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4
Q

INNERVATION of the psoas major

A

the direct branches from lumbar plexus

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5
Q

ORIGIN of the iliacus

A

iliac fossa

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6
Q

INSERION of the iliacus

A

lesser trochanter

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7
Q

ACTION of the iliacus

A

hip flexion and er

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8
Q

INNERVATION of the iliacus

A

femoral nerve

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9
Q

ORIGIN of the sartorius

A

asis on pelvis

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10
Q

INSERTION of the sartorius

A

proximal medial surface of tibial shaft, medial to tibial tuberosity

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11
Q

ACTION of the sartorius

A

hip er, abd, flexion
knee flexion and ir

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12
Q

INNERVATION of the sartorius

A

femoral nerve

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13
Q

ORIGIN of the rectus femoris

A

aiis, acetabulum, capsule of hip joint

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14
Q

INSERTION of the rectus femoris

A

ibial tuberosity via patellar ligament

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15
Q

ACTION of the rectus femoris

A

knee extension
hip flexion

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16
Q

INNERVATION of the rectus femoris

A

femoral nerve

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17
Q

ORIGIN of the vastus medialis

A

medial lip of linea aspera

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18
Q

ORIGIN of the vastus lateralis

A

lateral lip of linea aspera, gluteal tuberosity, greater trochanter,

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19
Q

ORIGIN of the vastus intermedius

A

anterior lateral shaft of femur

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20
Q

INSERTION of the quadriceps femoris

A

tibial tuberosity via patellar ligament

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21
Q

ACTION of the quadriceps femoris

A

knee extension

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22
Q

INNERVATION of the quadriceps femoris

A

femoral nerve

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23
Q

ORIGIN of the adductor longus

A

sup pubic ramus, ant pubic symphysis

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24
Q

INSERTION of the adductor longus

A

middle 1/3 of medial lip of linea aspera

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25
Q

ACTION of the adductor longus

A

hip adduction, assists with hip flexion

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26
Q

INNERVATION of the adductor longus

A

obturator nerve

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27
Q

ORIGIN of the adductor magnus

A

inferior pubic ramus, inferior ramus of ischium, ischial tuberosity

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28
Q

INSERTION of the adductor magnus

A

linea aspera, medial supracondylar line by an aponeurosis, adductor tubercle via a rounded tendon wwhich attaches to the medial supracondylar line by a fibrous expansion

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29
Q

ACTION of the adductor magnus

A

hip adduction, hip extension (inf), hip flexion (sup, but weak)

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30
Q

INNERVATION of the adductor magnus

A

sciatic nerve

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31
Q

ORIGIN of the gracilis

A

inferior pubic ramus near pubic symphysis

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32
Q

INSERTION of the gracilis

A

prox medial tibial shaft (pes ancerine)

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33
Q

ACTION of the gracilis

A

hip adduction
knee flexion and ir

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34
Q

INNERVATION of the gracilis

A

obturator nerve (ant)

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35
Q

ORIGIN of the adductor brevis

A

inferior ramus and body of pubis

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36
Q

INSERTION of the adductor brevis

A

along a line from the lesser trochanter to the prox 1/3 of the medial lip of the linea aspera

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37
Q

ACTION of the adductor brevis

A

hip adduction and flexion

38
Q

INNERVATION of the adductor brevis

A

obturator nerve (ant)

39
Q

ORIGIN of the pectineus

A

pecten pubis

40
Q

INSERTION of the pectineus

A

shaft of femur on a line from lesser trochanter to linea aspera

41
Q

ACTION of the pectineus

A

hip adduction and assist in hip flexion

42
Q

INNERVATION of the pectineus

A

femoral nerve (tiny bit of obturator nerve)

43
Q

ORIGIN of the gluteus maximus

A

ilium (post gluteal line), edge of sacrum, coccyx (lat), thoracolumbar fascia and sacrotuberous ligament

44
Q

INSERTION of the gluteus maximus

A

gluteal tuberosity and itb

45
Q

ACTION of the gluteus maximus

A

hip extension, er (sup), abduct
knee stabilization

46
Q

INNERVATION of the gluteus maximus

A

inferior gluteal nerve

47
Q

ORIGINSS of the biceps femoris (hamstrings)

A

long head: ischial tuberosity
short head: lateral lip linea aspera

48
Q

INSERTION of the biceps femoris (hamstrings)

A

head of the fibula
(minors: lateral tibial condyle, fascia on lateral leg

49
Q

ACTION of the biceps femoris (hamstrings)

A

knee extension (l)
hip extension (l), lat rot (l)

50
Q

INNERVATION of the biceps femoris (hamstrings)

A

sciatic nerve
(minors:
long head- tibial nerve
short head- common fibular (peroneal) nerve)

51
Q

ORIGIN of the semitendinosus

A

ischial tuberosity

52
Q

INSERTION of the semitendinosus

A

proximal medial tibial shaft

53
Q

ACTION of the semitendinosus

A

knee flexion
medially rotates tibia
hip extension and ir

54
Q

INNERVATION of the semitendinosus

A

sciatic and tibial nerves

55
Q

ORIGIN of the semimembranosus

56
Q

INSERTION of the semimembranosus

A

posterior medial condyle of tibia, oblique popliteal ligament (and medial meniscus)

57
Q

ACTION of the semimembranosus

A

knee flexion and rotates tibia around a flexed knee
hip extension and ir
pulls medial meniscus posteriorly during flexion

58
Q

INNERVATION of the semimembranosus

A

sciatic and tibial

59
Q

ORIGIN of the gluteus medius

A

lateral surface of ilium, just below crest between anterior and posterior gluteal lines

60
Q

INSERTION of the gluteus medius

A

lateral surface of greater trochanter

61
Q

ACTION of the gluteus medius

A

abduct
post fibers: er, extension
ant fibers: ir, flex

62
Q

INNERVATION of the gluteus medius

A

superior gluteal nerve

63
Q

ORIGIN of the gluteal minimus

A

ilium )between ant and inf gluteal lines)

64
Q

INSERTION of the gluteus minimus

A

anterior greater trochanter (ant to med), articular capsule of hip joint

65
Q

ACTION of the gluteus minimus

A

abduct, ir
stabilize pelvis and prevents free limb from sagging during gait

66
Q

INNERVATION of the gluteus minimus

A

superior gluteal nerve

67
Q

ORIGIN of the tensor fasciae latae

A

iliac crest, asis

68
Q

INSERTION of the tensor fasciae latae

A

iliotibial tract

69
Q

ACTION of the tensor fasciae latae

A

hip ir, assist in abduction, flexion, tenses fascia lata

70
Q

INNERVATION of the tensor fasciae latae

A

sup gluteal nerve

71
Q

ORIGIN of the superior gemellus

A

ischial spine

72
Q

INSERTION of the superior gemellus

A

medial greater trochanter via upper tendon of obturator internus

73
Q

ACTION of the superior gemellus

A

femur er
thigh abduction when flexed knee

74
Q

INNERVATION of the superior gemellus

A

sacral plexus (nerve to obturator internus)

75
Q

ORIGIN of the obturator internus

A

inner surface of obturator membrane and bony boundaries

76
Q

INSERTION of the obturator internus

A

medial surface of greater trochanter

77
Q

ACTION of the obturator internus

A

femus er
thigh adduction when flexed

78
Q

INNERVATION of the obturator internus

A

nerve to obturator internus

79
Q

ORIGIN of the inferior gemellus

A

ischial tuberosity

80
Q

INSERTION of the inferior gemellus

A

medial greater trochanter via tendon of obturator internus

81
Q

ACTION of the inferior gemellus

82
Q

INNERVATION of the inferior gemellus

A

sacral plexus nerve to quadratus femoris

83
Q

ORIGIN of the quadratus femoris

A

lateral aspect of ischial tuberosity

84
Q

INSERTION of the quadratus femoris

A

intertrochanteric crest

85
Q

ACTION of the quadratus femoris

86
Q

INNERVATION of the quadratus femoris

A

sacral plexus nerve to quadratus femoris

87
Q

ORIGIN of the obturator externus

A

rami of ischium and pubis, obturator membrane

88
Q

INSERTION of the obturator externus

A

trochanteric fossa of femur (post)

89
Q

ACTION of the obturator externus

90
Q

INNERVATION of the obturator externus

A

obturator nerve

MSA (13 decks)

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