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lower extremity > muscles review > Flashcards

muscles review Flashcards

1
Q

posterior-lateral hip

A

gluteus maximus
gluteus medius
gluteus minimus
tensor fascia latae

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2
Q

gluteus maximus origin

A

Iliac crest, posterior gluteal line, sacrum &
соссух

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3
Q

gluteus maximus insertion

A

Iliotibial tract of
tensor fascia latae & gluteal
tuberosity of
femur

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4
Q

gluteus maximus action

A

Extension & lateral
rotation of thigh

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5
Q

gluteus maximus innervation

A

Inferior gluteal
n.

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6
Q

Gluteus medius origin

A

Ilium between
anterior & posterior
gluteal lines

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7
Q

Gluteus medius insertion

A

Greater
trochanter of
femur

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8
Q

Gluteus medius action

A

Abduction &
medial rotation of
thigh

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9
Q

Gluteus medius innervation

A

Superior gluteal n.

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10
Q

Gluteus minimus origin

A

Ilium between
anterior & inferior
gluteal lines

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11
Q

Gluteus minimus insertion

A

Greater
trochanter of
femur

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12
Q

Gluteus minimus action

A

Abduction &
medial rotation of
thigh

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13
Q

Gluteus minimus innervation

A

Superior gluteal
n.

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14
Q

Tensor fascia latae origin

A

Anterior superior iliac
spine & iliac crest

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15
Q

Tensor fascia latae insertion

A

Iliotibial tract
which attaches to
lateral tibia

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16
Q

Tensor fascia latae action

A

Flexion &
abduction of thigh
at hip jnt.

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17
Q

Tensor fascia latae innervation

A

Superior gluteal
n.

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18
Q

anterior hip iliopsoas

A

psoas major
psoas minor
iliacus

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19
Q

psoas major origin

A

Transverse processes
& bodies of lumbar
vertebrae

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20
Q

psoas major insertion

A

Lesser trochanter
of femur (fusing
with iliacus)

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21
Q

psoas major action

A

Flexion & lateral
rotation of thigh at
hip jnt. and flexion
of trunk on hip

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22
Q

psoas major innervation

A

Lumbar spinal
n. L2-L3

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23
Q

Psoas minor origin

A

12th thoracic & 1st
lumbar vertebrae

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24
Q

Psoas minor insertion

A

Iliopectineal line
or fused with
psoas major

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25
Q

Psoas minor action

A

Flexion of pelvis on
abdomen

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26
Q

Psoas minor innervation

A

lumbar plexus

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27
Q

Iliacus origin

A

Iliac fossa & sacrum

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28
Q

Iliacus insertion

A

Tendon of psoas major into lesser
trochanter of
femur

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29
Q

Iliacus action

A

Flexion & lateral
rotation of thigh at
hip jnt.

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30
Q

Iliacus innervation

A

Femoral n.

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31
Q

Lateral rotators

A

piriformis
superior gemellus
obturator internus
inferior gemellus
quadratus femoris
obturator externus

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32
Q

piriformis origin

A

Anterior surface of sacrum

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33
Q

piriformis insertion

A

Greater trochanter of femur

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34
Q

piriformis action

A

Lateral rotation & abduction of thigh at hip jnt.

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35
Q

piriformis innervation

A

sacral plexus

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36
Q

Superior gemellus origin

A

Ischial spine

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37
Q

Superior gemellus insertion

A

Greater trochanter of femur

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38
Q

Superior gemellus action

A

Lateral rotation & abduction of thigh at hip jnt.

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39
Q

Superior gemellus innervation

A

lumbosacral plexus

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40
Q

Obturator internus origin

A

Inner surface of obturator foramen, pubis & ischium

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41
Q

Obturator internus insertion

A

Greater trochanter of femur

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42
Q

Obturator internus action

A

Lateral rotation & abduction of thigh at hip jnt.

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43
Q

Obturator internus innervation

A

Lumbosacral
plexus

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44
Q

inferior gemellus origin

A

Ischial tuberosity

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45
Q

inferior gemellus insertion

A

Greater trochanter of femur

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46
Q

inferior gemellus action

A

Lateral rotation & abduction of thigh at hip jnt.

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47
Q

inferior gemellus innervation

A

Lumbosacral
plexus

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48
Q

Quadratus femoris origin

A

Ischial tuberosity

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49
Q

Quadratus femoris insertion

A

Quadrate
tubercle of femur

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50
Q

Quadratus femoris action

A

Lateral rotation of thigh at hip jnt.

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51
Q

Quadratus femoris innervation

A

Lumbosacral
plexus

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52
Q

Obturator externus origin

A

Outer surface of obturator foramen & membrane

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53
Q

Obturator externus insertion

A

Trochanteric fossa of femur

54
Q

Obturator externus action

A

Lateral rotation & abduction of thigh at hip jnt.

55
Q

Obturator externus innervation

A

Obturator n.

56
Q

anterior thigh

A

sartorius
rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

57
Q

sartorius origin

A

Anterior superior iliac spine

58
Q

sartorius insertion

A

Proximal, medial
surface of shaft of tibia

59
Q

sartorius action

A

Flexion, abduction & lateral rotation of thigh at hip joint, flexion of leg at knee jnt.

60
Q

sartorius innervation

A

femoral n.

61
Q

rectus femoris origin

A

Anterior inferior iliac spine

62
Q

rectus femoris insertion

A

Patella via quadriceps tendon & then tibial tuberosity via patellar ligament

63
Q

rectus femoris action

A

Extension of leg at knee jnt. & flexion of thigh at hip jnt.

64
Q

rectus femoris innervation

A

femoral n.

65
Q

vastus lateralis origin

A

Greater trochanter and lateral margin of linea aspera of femur

66
Q

vastus lateralis insertion

A

Patella via quadriceps tendon & then tibial tuberosity via patellar ligament

67
Q

vastus lateralis action

A

Extension of leg at knee jnt.

68
Q

vastus lateralis innervation

A

femoral n.

69
Q

vastus medialis origin

A

Medial margin of linea aspera of femur

70
Q

vastus medialis insertion

A

Patella via quadriceps
tendon & then tibial tuberosity via patellar ligament

71
Q

vastus medialis action

A

Extension of leg at knee jnt.

72
Q

vastus medialis innervation

A

femoral n.

73
Q

vastus inermedius origin

A

Anterior and lateral surfaces of shaft of femur

74
Q

vastus inermedius insertion

A

Patella via quadriceps
tendon & then tibial tuberosity via patellar ligament

75
Q

vastus inermedius action

A

Extension of leg at knee jnt.

76
Q

vastus inermedius innervation

A

femoral n.

77
Q

medial thigh

A

pectineus
adductor brevis
adductor longus
adductor magnus
adductor minimus (part of adductor magnus)
gracilis

78
Q

pectineus origin

A

superior ramus of pubis

79
Q

pectineus insertion

A

Pectineal line of femur, between lesser trochanter and linea aspera

80
Q

pectineus action

A

Flexion & adduction of thigh at hip jnt.

81
Q

pectineus innervation

A

femoral n.

82
Q

Adductor brevis origin

A

Inferior ramus of pubis

83
Q

Adductor brevis insertion

A

Superior half of linea aspera of femur

84
Q

Adductor brevis action

A

Adduction &
flexion of thigh at hip jnt., rotates thigh*

85
Q

Adductor brevis innervation

A

Obturator n.

86
Q

Adductor longus origin

A

Pubic crest & pubic symphysis

87
Q

Adductor longus insertion

A

Linea aspera of femur

88
Q

Adductor longus action

A

Adduction &
flexion of thigh at hip jnt., rotates thigh*

89
Q

Adductor longus innervation

A

obturator n.

90
Q

Adductor Magnus origin

A

Inferior ramus of pubis & ischium to ischial tuberosity

91
Q

Adductor Magnus insertion

A

Linea aspera and adductor tubercle of femur

92
Q

Adductor Magnus action

A

Adduction of thigh at hip jnt.- anterior fibers flex thigh & posterior fibers extend thigh, rotates thigh*

93
Q

Adductor Magnus innervation

A

Obturator & sciatic n.

94
Q

adductor minimus origin

A

Inferior ramus of pubis

95
Q

adductor minimus insertion

A

Medial lip of linea aspera of femur

96
Q

adductor minimus action

A

Adduction and lateral rotation of thigh at hip jnt.

97
Q

adductor minimus innervation

A

Obturator n.

98
Q

Gracilis origin

A

Body & inferior ramus of pubis

99
Q

Gracilis insertion

A

proximal, medial surface of shaft of tibia

100
Q

Gracilis action

A

adduction of thigh at hip jnt. flexion and medial rotation of leg at knee jnt.

101
Q

Gracilis innervation

A

obturator n.

102
Q

posterior thigh

A

biceps femoris
semi-tendinosus
semi-membranosus

103
Q

biceps femoris origin

A
  1. Long head: Ischial tuberosity
  2. Short head: Linea aspera of femur
104
Q

biceps femoris insertion

A

Head of fibula and lateral condyle of tibia

105
Q

biceps femoris action

A

Flexion of leg at knee jnt. & extension of thigh at hip jnt.

106
Q

biceps femoris innervation

A

Sciatic n. (tibial & common fibular n.)

107
Q

semi-tendinosus origin

A

Ischial tuberosity

108
Q

semi-tendinosus insertion

A

Proximal, medial surface of shaft of tibia

109
Q

semi-tendinosus action

A

Flexion of leg at knee jnt. & extension of thigh at hip jnt.

110
Q

semi-tendinosus innervation

A

Sciatic n. (tibial n.)

111
Q

semi-membranosus origin

A

Ischial tuberosity

112
Q

semi-membranosus

A

Medial condyle of tibia

113
Q

semi-membranosus

A

Flexion of leg at knee jnt. & extension of thigh at hip jnt.

114
Q

semi-membranosus

A

Sciatic n. (tibial n.)

115
Q

anterior leg

A

tribialis anterior
extensor hallucis longus
extensor digitorum longus
fibularis (peroneus) tertius N.A.P.

116
Q

tribialis anterior origin

A

Lateral condyle and shaft of tibia & interosseus membrane

117
Q

tribialis anterior insertion

A

1st metatarsal &
1st cuneiform

118
Q

tribialis anterior action

A

Dorsiflexion & inversion of foot

119
Q

tribialis anterior innervation

A

Deep fibular (peroneal) n.

120
Q

Extensor hallucis longus origin

A

Anterior surface of fibula & interosseous membrane

121
Q

Extensor hallucis longus insertion

A

Distal phalanx of 1st toe

122
Q

Extensor hallucis longus action

A

Dorsiflexion of foot & extension of 1st toe

123
Q

Extensor hallucis longus innervation

A

Deep fibular (peroneal) n.

124
Q

Extensor digitorum longus origin

A

Lateral condyle of tibia, anterior surface of fibula & interosseous membrane

125
Q

Extensor digitorum longus insertion

A

Middle & distal phalanges of toes 2-5

126
Q

Extensor digitorum longus action

A

Dorsiflexion of foot & extension of digits 2-5

127
Q

Extensor digitorum longus innervation

A

Deep fibular (peroneal) n.

128
Q

fibularis (peroneus) tertius N.A.P. origin

A

Distal ⅓ of fibula & interosseous membrane

129
Q

fibularis (peroneus) tertius N.A.P. insertion

A

Base of 5th metatarsal

130
Q

fibularis (peroneus) tertius N.A.P. action

A

Dorsiflexion & eversion of foot

131
Q

fibularis (peroneus) tertius N.A.P. innervation

A

Deep fibular (peroneal) n.

lower extremity (17 decks)

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