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Functional Anatomy > LE Muscles > Flashcards

LE Muscles Flashcards

1
Q

Gluteus Maximus prox attach

A

posterior ilium to posterior gluteal line, dorsal surface of sacrum and coccyx, sacrotuberous ligament

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2
Q

Gluteus Maximus distal attach

A

gluteal tuberosity of the femur and iliotibial tract that insert on lateral tibial condyle

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3
Q

Gluteus Maximus innervation

A

inferior gluteal n. L5, S1, S2

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4
Q

Gluteus Maximus axn

A

thigh extension, extension of trunk when LE is fixed, assists in ER of hip

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5
Q

Gluteus Medius prox attach

A

external surface of ilium between anterior and posterior gluteal line

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6
Q

Gluteus Medius distal attach

A

lateral surface of greater trochanter

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7
Q

Gluteus Medius innervation

A

superior gluteal n. L4, L5, S1

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8
Q

Gluteus Medius axn

A

abduction and internal rotation of thigh, abducts pelvis

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9
Q

Gluteus minimus prox attach

A

external surface of ilim between anterior and inferior gluteal lines

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10
Q

Gluteus minimus distal attach

A

anterior surface of greater trochanter

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11
Q

Gluteus minimus innervation

A

superior gluteal n. L4, L5, S1

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12
Q

Gluteus minimus axn

A

abduction and internal rotation of thigh, abduction of pelvis

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13
Q

Obturator Externus prox attach

A

margins of obturator foramen and membrane

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14
Q

Obturator Externus distal attach

A

trochanteric fossa of femur

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15
Q

Obturator Externus innervation

A

obturator n. L3-L4

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16
Q

Obturator Externus axn

A

external rotation of thigh; steadies head of femur

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17
Q

Obturator Internus prox attach

A

pelvic surface of obturator foramen and surrounding bones

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18
Q

Obturator Internus distal attach

A

medial surface of greater trochanter; blending with gemelli insertion

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19
Q

Obturator Internus innervation

A

n to obturator internus and superior gemelli L5-S1

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20
Q

Obturator Internus axn

A

external rotation of the extended thigh; abduction of flexed thigh; steadies femoral head

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21
Q

Piriformis prox attach

A

anterior surface of sacrum and sacrotuberous ligament

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22
Q

Piriformis distal attach

A

superior border of greater trochanter

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23
Q

Piriformis innervation

A

n to piriformis, S1-S2

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24
Q

Piriformis axn

A

external rotation of the extended thigh; abduction of flexed thigh, steadies femoral head

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25
Q

Gemellus superior prox attach

A

ischial spine

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26
Q

Gemellus superior distal attach

A

medial surface of greater trochanter

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27
Q

Gemellus superior innervation

A

n. to obturator internus, superior gemelli
L5-S1

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28
Q

Gemellus superior axn

A

ER of extended though, abd of flexed thigh; steadies femur

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29
Q

Gemellus inferior prox attach

A

ischial tuberosity

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30
Q

Gemellus inferior distal attach

A

medial surface greater trochanter

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31
Q

Gemellus inferior innervation

A

n. to quadratus femoris inferior gemellus, L5 S1

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32
Q

Gemellus inferior axn

A

ER of extended thigh, abd of flexed thigh, steadies the femur

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33
Q

Quadratus femoris prox attach

A

lateral border of ischial tuberosity

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34
Q

Quadratus femoris distal attach

A

quadrate tubercle on interotrochanteric crest of femur

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35
Q

Quadratus femoris innervation

A

n. to quadratus femoris inferior gemellus L5-S1

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36
Q

Quadratus femoris axn

A

ER of thigh; steadies femoral head

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37
Q

Rectus femoris prox attach

A

AIIS and ilium superior to acetabulum

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38
Q

Rectus femoris distal attach

A

base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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39
Q

Rectus femoris innervation

A

femoral n. L2,3,4

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40
Q

Rectus femoris axn

A

flexes thigh, extends leg

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41
Q

Vastus lateralis prox attach

A

greater trochanter, lateral lip of linea aspera, lateral intermuscular septum

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42
Q

Vastus lateralis distal attach

A

base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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43
Q

Vastus lateralis innervation

A

femoral n. L2,3,4

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44
Q

Vastus lateralis axn

A

extends leg at knee joint

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45
Q

Vastus medialis prox attach

A

intertrochanteric line, and medial lip of linea aspera

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46
Q

Vastus medialis distal attach

A

base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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47
Q

Vastus medialis innervation

A

femoral n. L2,3,4

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48
Q

Vastus medialis axn

A

extend leg at knee joint

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49
Q

Vastus intermedius distal attach

A

base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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50
Q

Vastus intermedius prox attach

A

anterior and lateral surfaces of body and femur

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51
Q

Vastus intermedius innervation

A

femoral n. L2,3,4

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52
Q

Vastus intermedius axn

A

extend leg at knee joint

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53
Q

Tensor fascia lata prox attach

A

ASIS and anterior part of iliac crest

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54
Q

Tensor fascia lata distal attach

A

iliotibial tract (with fibers of glut max) to lateral tibial condyle

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55
Q

Tensor fascia lata innervation

A

superior gluteal n. L4,5, S1

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56
Q

Tensor fascia lata axn

A

Abd, IR, flex hip; assist with knee extension

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57
Q

Sartorius prox attach

A

ASIS and superior part of notch inferior to it

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58
Q

Sartorius distal attach

A

superior, medial tibia (covers tendons of gracilis and semitendinosus)

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59
Q

Sartorius innervation

A

femoral n. L2,3

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60
Q

Sartorius axn

A

Flex, abd, ER at hip; flexes leg at knee; IR of tibia at knee

61
Q

Gracilis prox attach

A

body and inferior ramus of pubis

62
Q

Gracilis distal attach

A

superior, medial tibia

63
Q

Gracilis innervation

A

obturator n. L2,3 anterior branch

64
Q

Gracilis axn

A

add thigh; flexes leg and assists with IR of tibia at knee

65
Q

Pectineus prox attach

A

superior ramus of pubis

66
Q

Pectineus distal attach

A

pectineal line of femur, inferior to lesser trochanter

67
Q

Pectineus innervation

A

femoral n. L2,3; sometimes obturator n

68
Q

Pectineus axn

A

add and flex thigh, assists with IR of thigh

69
Q

Adductor brevis prox attach

A

body and inferior ramus of pubis

70
Q

Adductor brevis distal attach

A

pectineal line and proximal part of linea aspera of femur

71
Q

Adductor brevis innervation

A

obturator n, anterior branch L2,3,4

72
Q

Adductor brevis axn

A

add thigh; assists with flexion of thigh

73
Q

Adductor longus prox attach

A

body of pubis inferior to pubic crest

74
Q

Adductor longus distal attach

A

middle 1/3 of linea aspera

75
Q

Adductor longus innervation

A

obturator n anterior branch L2,3,4

76
Q

Adductor longus axn

A

adducts thigh

77
Q

Adductor magnus (adductor portion) prox attach

A

inferior ramus of pubis, ramus of ischium

78
Q

Adductor magnus (adductor portion) distal attach

A

gluteal tuberosity, linea aspera, medial supracondylar line

79
Q

Adductor magnus (adductor portion) innervation

A

obturator n, posterior branch L2,3,4

80
Q

Adductor magnus (adductor portion) axn

A

add and flex thigh

81
Q

Adductor magnus (hamstring portion) prox attach

A

ischial tuberosity

82
Q

Adductor magnus (hamstring portion) distal attach

A

adductor tubercle of femur

83
Q

Adductor magnus (hamstring portion) innervation

A

tibial portion sciatic n L4

84
Q

Adductor magnus (hamstring portion) axn

A

add and ext thigh

85
Q

Biceps femoris long head prox attach

A

ischial tuberosity

86
Q

Biceps femoris long head distal attach

A

lateral head of fibula

87
Q

Biceps femoris long head innervation

A

tibial portion sciatic n. L5,S1,2

88
Q

Biceps femoris long head axn

A

flex leg, ER of leg at knee, ext thigh

89
Q

Biceps femoris short head prox attach

A

linea aspera and lateral supracondylar line

90
Q

Biceps femoris short head distal attach

A

lateral head of fibula

91
Q

Biceps femoris short head innervation

A

common peroneal n. L5,S1,2

92
Q

Biceps femoris short head axn

A

flex leg, ER tibia on femur

93
Q

Semitendinosus prox attach

A

ischial tuberosity

94
Q

Semitendinosus distal attach

A

medial surface of superior tibia

95
Q

Semitendinosus innervation

A

tibial portion of sciatic n, L5,S1,2

96
Q

Semitendinosus axn

A

ext thigh, flex leg and IR tibia on femur; ext trunk

97
Q

Semimembranosus prox attach

A

ischial tuberosity

98
Q

Semimembranosus distal attach

A

posterior part of medial tibial condyle and reflected attachment (Oblique popliteal ligament)

99
Q

Semimembranosus innervation

A

tibial portion of sciatic n, L5,S1,2

100
Q

Semimembranosus axn

A

ext thigh, flex leg and IR tibia on femur; ext trunk

101
Q

Tibialis anterior prox attach

A

lateral condyle and superior half of lateral surface of tibia and interosseous membrane

102
Q

Tibialis anterior distal attach

A

medial and plantar surface of medial cuneiform, base of 1st metatarsal

103
Q

Tibialis anterior innervation

A

deep peroneal n. L4,5

104
Q

Tibialis anterior axn

A

strongest DF of ankle, inversion of the foot

105
Q

Extensor hallucis longus prox attach

A

middle anterior fibula, interosseous membrane

106
Q

Extensor hallucis longus distal attach

A

dorsal aspect of base of distal phalanx of great toe

107
Q

Extensor hallucis longus innervation

A

deep peroneal n L4,5,S1

108
Q

Extensor hallucis longus axn

A

extension of great toe, DF ankle, inverts foot

109
Q

Extensor digitorum longus prox attach

A

lateral condyle of tibia, proximal 3/4 medial surface of fibula, interosseous membrane

110
Q

Extensor digitorum longus distal attach

A

base of middle and distal phalanges of lateral 4 toes

111
Q

Extensor digitorum longus innervation

A

deep peroneal n L4,5,S1

112
Q

Extensor digitorum longus axn

A

DF ankle, extends lateral 4 digits, weak evertor of foot

113
Q

Fibularis tertius prox attach

A

inferior 1/3 of anterior surface of fibula and interosseous membrane

114
Q

Fibularis tertius distal attach

A

dorsum of base of 5th MT

115
Q

Fibularis tertius innervation

A

deep peroneal n. L4,5,S1

116
Q

Fibularis tertius axn

A

DF ankle, assists in eversion

117
Q

Fibularis longus prox attach

A

head and proximal 2/3 of lateral surface of fibula

118
Q

Fibularis longus distal attach

A

base of 1st metatarsal, medial cuneiform

119
Q

Fibularis longus innervation

A

superficial peroneal n. L5,S1,2

120
Q

Fibularis longus axn

A

eversion of foot, PF ankle, depress base of 1st MT

121
Q

Fibularis brevis prox attach

A

distal 2/3 lateral surface of fibula

122
Q

Fibularis brevis distal attach

A

dorsal surface of tuberosity on lateral side of 5th MT

123
Q

Fibularis brevis innervation

A

superficial peroneal n L5,S1,2

124
Q

Fibularis brevis axn

A

eversion of foot, weak PF of ankle

125
Q

Gastrocnemius prox attach

A

lateral head: lateral aspect of lateral condyle of femur
medial head: popliteal surface of femur, superior to medial condyle

126
Q

Gastrocnemius distal attach

A

posterior calcaneus via calcaneal tendon

127
Q

Gastrocnemius innervation

A

Tibial n S1,2

128
Q

Gastrocnemius axn

A

PF ankle, flex leg at knee, invert foot

129
Q

Soleus prox attach

A

posterior aspect of head of fibula, superior 1/4 posterior surface of fibula, soleal line and medial border of tibia

130
Q

Soleus distal attach

A

posterior surface of calcaneus via calcaneal tendon

131
Q

Soleus innervation

A

tibial n S1,2

132
Q

Soleus axn

A

PF ankle regardless of knee position, inversion of the foot

133
Q

Plantaris prox attach

A

inferior end of lateral supracondylar line of femur and oblique popliteal ligament

134
Q

Plantaris distal attach

A

posterior surface of calcaneus via calcaneal tendon

135
Q

Plantaris innervation

A

Tibial n S1,2

136
Q

Plantaris axn

A

weak assist in PF of ankle and knee flexion

137
Q

Tibialis posterior prox attach

A

interosseous membrane, posterior surface of tibia inferior to soleal line and posterior surface of fibula

138
Q

Tibialis posterior distal attach

A

tuberosity of navicular, all cuneiform bones, sustentaculum tali, cuboid, base of 2nd, 3rd, and 4t MT (all tarsal bones except talus)

139
Q

Tibialis posterior innervation

A

tibial n L4,5

140
Q

Tibialis posterior axn

A

main invertor of foot, PF ankle, resist collapse of arch

141
Q

Flexor hallucis longus prox attach

A

inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane

142
Q

Flexor hallucis longus distal attach

A

base of distal phalanx of great toe

143
Q

Flexor hallucis longus innervation

A

Tibial N S2,3

144
Q

Flexor hallucis longus axn

A

flexes great toe, PF ankle, inversion of foot, supports medial long arch

145
Q

Flexor digitorum longus prox attach

A

medial part of posterior surface of tibia, inferior to soleal line

146
Q

Flexor digitorum longus distal attach

A

base of distal phalanges of lateral 4 toes

147
Q

Flexor digitorum longus innervation

A

Tibial n S2,3

148
Q

Flexor digitorum longus axn

A

flexes lateral 4 digits, PF ankle inversion foot; supports long arch

Functional Anatomy (7 decks)

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