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Random Stuff for 3rd Year Exam > Anatomy - Lower Limb Muscles > Flashcards

Anatomy - Lower Limb Muscles Flashcards

1
Q

Iliacus - attachments

A

Origin - iliac fossa

Insertion - lesser trochanter of femur

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2
Q

Iliacus - innervation

A

Femoral nerve

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3
Q

Iliacus - actions

A

Flexion of hip

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4
Q

Psoas major - attachements

A

Origin - lumbar vertebrae

Insertion - lesser trochanter of femur

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5
Q

Psoas major - innervation

A

Anterior rami of L1-L3

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6
Q

Psoas major - actions

A

Flexion of hip

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7
Q

Muscles of quadratus femoris

A

Vastus lateralis

Vastus intermedius

Vastus medialis

Rectus femoris

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8
Q

Vastus lateralis - attachments

A

Origin - greater trochanter of femur

Insertion - ?

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9
Q

Vastus lateralis - innervation

A

Femoral nerve

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10
Q

Vastus lateralis - actions

A

Extension of knee

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11
Q

Vastus intermedius - attachments

A

Origin - anterior and lateral surfaces of femoral shaft

Insertion - ?

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12
Q

Vastus intermedialis - innervation

A

Femoral nerve

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13
Q

Vastus intermedius - actions

A

Extension of knee

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14
Q

Vastus medialis - attachments

A

Origin - intertrochanteric line and medial lip of linea aspera

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15
Q

Vastus medialis - innervation

A

Femoral nerve

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16
Q

Vastus medialis - actions

A

Extension of knee

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17
Q

Rectus femoris - attachments

A

Origin - anterior inferior iliac spine and area of ilum superior to acetabulim

Insertion - patella via quadriceps femoris tendon

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18
Q

Rectus femoris - innervation

A

Femoral nerve

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19
Q

Rectus femoris - actions

A

Flexion of hip

Extension of knee

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20
Q

Sartorius - attachments

A

Origin - anterior superior iliac spine

Insertion - superior, medial surface of tibia

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21
Q

Sartorius - innervation

A

Femoral nerve

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22
Q

Sartorius - actions

A

Flexion and abduction of hip

Flexion of knee

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23
Q

Pectineus - attachments

A

Origin - pectineal line on anterior surface of pelvis

Insertion - pectineal line on posterior side of femur

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24
Q

Pectineus - innervation

A

Femoral nerve

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25
Q

Pectineus - actions

A

Adduction and flexion of hip

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26
Q

Adductor magnus - attachments

A
  • Origin
    • Adductor part - inferior rami of rubis
    • Hamstring part - ischial tuberosity
  • Insertion
    • Adductor part - linea aspera of femur
    • Hamstring part - adductor tubercle and medial supracondylar line of femur
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27
Q

Adductor magnus - innervation

A

Adductor part - obturator nerve

Hamstring part - tibial component of sciatic nerve

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28
Q

Adductor magnus - actions

A

Both components adduct hip, adductor components also flexes hip and hamstring portion extends hip

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29
Q

Adductor longus - attachments

A

Origin - pubis

Insertion - linea aspera of femur

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30
Q

Adductor longus - innervation

A

Obturator nerve

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31
Q

Adductor longus - actions

A

Adduction of thigh

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32
Q

Adductor brevis - attachments

A

Origin - body of pubis

Insertion - linea aspera on posterior surface of femur

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33
Q

Adductor brevis - innervation

A

Obturator nerve

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34
Q

Adductor brevis - actions

A

Adduction of hip

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35
Q

Obturator externus - attachments

A

Origin - membrane of obturator foramen

Insertion - posterior aspect of greater trochanter

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36
Q

Obturator externus - innervation

A

Obturator nerve

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37
Q

Obturatory externus - actions

A

Adduction and lateral rotation of hip

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38
Q

Gracilis - attachments

A

Origin - inferior rami of pubis

Insertion - medial surface of tibia

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39
Q

Gracilis - innervation

A

Obturator nerve

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40
Q

Gracilis - actions

A

Adduction of hip

Flexion of knee

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41
Q

Gluteus maximus - attachments

A

Origin - posterior surface ileum, sacrum and coccyx

Insertion - Iliotibial tract and gluteal tuberosity of femur

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42
Q

Gluteus maximus - innervation

A

Inferior gluteal nerve

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43
Q

Gluteus maximus - actions

A

Extension of hip

Lateral roation

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44
Q

Gluteus medius - attachments

A

Origin - gluteal surface of ileum

Insertion - lateral surface of greater trochanter

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45
Q

Gluteus medius - innervation

A

Superior gluteal nerve

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46
Q

Gluteus medius - actions

A

Adduction and medial rotation of hip

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47
Q

Gluteus minimus - attachments

A

Origin - ileum

Insertion - anterior side greater trochanter

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48
Q

Gluteus minimus - innervation

A

Superior gluteal nerve

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49
Q

Gluteus minimus - actions

A

Abduction and medial rotation of hip

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50
Q

Tensor fascia lata - attachments

A

Origin - anterior iliac crest

Insertion - iliotibial tract which attaches to lateral condyle of tibia

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51
Q

Tensor fascia lata - innervation

A

Superior gluteal nerve

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52
Q

Tensor fascia lata - actions

A

Adduction and medial rotation of hip

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53
Q

Piriformis - attachments

A

Origin - anterior surface of sacrum

Insertion - greater trochanter of femur

54
Q

Piriformis - innervation

A

Nerve to piriformis

55
Q

Piriformis - actions

A

Lateral rotation and abduction

56
Q

Obturator internus - attachments

A

Origin - pubis and ischiul at obturator foramen

Insertion - travels through lesser sciatic foramen to greater trochanter of femur

57
Q

Obturator internus - innervation

A

Nerve to obturator internus

58
Q

Obturator internus - actions

A

Lateral rotation and abduction of hip

59
Q

Biceps femoris - attachments

A
  • Origin
    • Long head - ischial tuberosity of pelvis
    • Short head - linea aspera on posterior surface femur
  • Insertion
    • Head of fibula
60
Q

Biceps femoris - innervation

A

Long head - tibial part of sciatic nerve

Short head - common fibular part of sciatic nerve

61
Q

Biceps femoris - actions

A

Flexion of knee

Extension of hip

Lateral rotation of hip and knee

62
Q

Semitendinosus - attachments

A

Origin - ischial tubersity of pelvis

Insertion - medial surface tibia

63
Q

Semitendinosus - innervation

A

Tibial part of sciatic nerve

64
Q

Semitendinosus - actions

A

Flexion of knee

Extension of hip

Medial rotation of hip and knee

65
Q

Semimembranosus - attachments

A

Origin - ischial tuberosity

Insertion - medial tibial condyle

66
Q

Semimembranosus - innervation

A

Tibial part of sciatic nerve

67
Q

Semimembranosus - actions

A

Flexion of knee

Extension of hip

Medial rotation of hip and knee

68
Q

Tibialis anterior - attachments

A

Origin - lateral surface tibia

Insertion - medial cuneiform and base of metatarsal I

69
Q

Tibialis anterior - innervation

A

Deep fibular nerve

70
Q

Tibialis anterior - actions

A

Dorsoflexion and inversion of ankle

71
Q

Extensor digitorum longus - attachments

A

Origin - lateral condyle of tibia and medial surface fibula

Insertion - dorsal surface of foot, splits into 4 for each toe (apart from big)

72
Q

Extensor digitorum longus - actions

A

Extension of lateral 4 toes

Dorsiflexion of foot

73
Q

Extensor digitorum longus - innervation

A

Deep fibular nerve

74
Q

Extensor hallucis longus - attachments

A

Origin - medial surface fibular shaft

Insertion - distal phalanx of great toe

75
Q

Extensor hallucis longus - innervation

A

Deep fibular nerve

76
Q

Extensor hallucis longus - action

A

Extension of great toe

Dorsiflexion of ankle

77
Q

Fibularis tertius - attachments

A

Origin - medial surface of fibula

Insertion - metatarsal V

78
Q

Fibularis tertius - innervation

A

Deep fibular nerve

79
Q

Fibularis tertius - actions

A

Eversion and dorsiflexion of foot

80
Q

Gastrocnemius - attachments

A
  • Origin
    • Lateral head - lateral femoral condyle
    • Medial head - medial femoral condyle
  • Insertion
    • Combines with soleus to form cacaneal tendon inserting onto calcaneus
81
Q

Gastrocnemius - innervation

A

Tibial nerve

82
Q

Gastrocnemius - actions

A

Plantarflexion of ankle

Flexion of knee

83
Q

Plantaris - attachments

A

Origin - lateral supracondylar line of femur

Insertion - calcaneal tendon

84
Q

Plantaris - innervation

A

Tibial nerve

85
Q

Plantaris - actions

A

Plantarflexion of ankle

Flexion of knee

86
Q

Soleus - attachments

A

Origin - soleal line of tibia and proximal fibular area

Insertion - calcaneal tendon

87
Q

Soleus - innervation

A

Tibial nerve

88
Q

Soleus - actions

A

Plantarflexion of ankle

89
Q

Poplitus - attachments

A

Origin - lateral condyle of femur

Insertion - tibia

90
Q

Popliteus - innervation

A

Tibial nerve

91
Q

Popliteus - actions

A

Lateral rotation of femur on tibia, unlocking the knee so flexion can occur

92
Q

Tibialis posterior - attachments

A

Origin - interosseous membrane between tibia and fibula

Insertion - plantar surface of medial tarsal bones

93
Q

Tibialis posterior - innervation

A

Tibial nerve

94
Q

Tibialis posterior - actions

A

Inversion and plantarflexion of ankle

Maintains medial arch of foot

95
Q

Flexor digitorum longus - attachments

A

Origin - medial surface tibia

Insertion - plantar surface of lateral 4 digits

96
Q

Flexor digitorum longus - innervation

A

Tibial nerve

97
Q

Flexor digitorum longus - actions

A

Flexion of lateral toes

98
Q

Flexor hallucis longus - attachments

A

Origin - posterior surface tibia

Insertion - plantar surface of phalanx of great toe

99
Q

Flexor hallucis longus - innervation

A

Tibial nerve

100
Q

Flexor hallucis longus - actions

A

Flexion of great toe

101
Q

Fibularis longus - attachments

A

Origin - superior and lateral surface of fibula and lateral tibial condyle

Insertion - medial cuneiform and base of metatarsal I

102
Q

Fibularis longus - innervation

A

Superficial fibular (peroneal) nerve

103
Q

Fibularis brevis - attachments

A

Origin - inferolateral surface fibular shaft

Insertion - tubercle on metatarsal V

104
Q

Fibularis longus - actions

A

Eversion and plantarflexion of ankle

Supports lateral and transverse arches of foot

105
Q

Fibularis brevis - innervation

A

Superficial fibular (peroneal) nerve

106
Q

Fibularis brevis - actions

A

Eversion of foot

107
Q

Abductor hallucis - actions

A

Abduction and flexion of great toe

108
Q

Abductor hallucis - innervation

A

Medial plantar nerve

109
Q

Flexor digitorum brevis - actions

A

Flexion of lateral 4 digits at PIPJ

110
Q

Flexor digitorum brevis - innervation

A

Medial plantar nerve

111
Q

Abductor digiti minimi - actions

A

Abduction and flexion of 5th digit

112
Q

Abductor digiti minimi - innervation

A

Lateral plantar nerve

113
Q

1st layer of foot muscles

A

Abductor hallucis

Flexor digitorum brevis

Abductor digiti minimi

114
Q

2nd layer foot muscles

A

Quadratus plantae

Lumbricals

115
Q

Quadratus plantae - actions

A

Flexion of lateral digits

116
Q

Quadratus plantae - innervation

A

Lateral plantar nerve

117
Q

Lumbricals - actions

A

Flexion at metatarsophalangeal joints

Extesion at interphalangeal joints

118
Q

Lumbricals - innervation

A

Medial lumbrical - medial plantar nerve

Rest - lateral plantar nerve

119
Q

3rd layer of foot muscles

A

Flexor hallucis brevis

Adductor hallucis

Flexor digiti minimi brevis

120
Q

Flexor hallucis brevis - actions

A

Flexion of proximal phalanx of great toe at metatarsophalangeal joint

121
Q

Flexor hallucis brevis - innervation

A

Medial plantar nerve

122
Q

Adductor hallucis - actions

A

Adducts of great toe

Assists in forming transverse arch of foot

123
Q

Adductor hallucis - innervation

A

Deep branch of lateral plantar nerve

124
Q

Flexor digiti minimi brevis - actions

A

Flexiono of proximal phalanx of 5th digit

125
Q

Flexor digiti minimi brevis - innervation

A

Superficial branch of lateral plantar nerve

126
Q

4th later foor muscles

A

Plantar interossei

Dorsal interossei

127
Q

Plantar interossei - actions

A

Adduction of digits 3 to 5

Flexion of metatarsophalangeal joints

128
Q

Plantar interossei - innervation

A

Lateral plantar nerve

129
Q

Dorsal interossei - actions

A

Abducts of digits 2 to 4 and flexion at metatarsophalngeal joints

130
Q

Dorsal interossei - innervation

A

Lateral plantar nerve

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