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Anatomy > Anatomy Test 2 Lower Limb Muscles > Flashcards

Anatomy Test 2 Lower Limb Muscles Flashcards

1
Q

abductor digiti minimi (foot) origin

A

medial and lateral sides of the tuberosity of the calcaneus

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2
Q

abductor digiti minimi (foot) insertion

A

lateral side of the base of the proximal phalanx of the 5th digit

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3
Q

abductor digiti minimi (foot) action

A

abducts the 5th toe; flexes the metatarsophalageal joint

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4
Q

abductor digiti minimi (foot) innervation

A

lateral plantar nerve

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5
Q

abductor digiti minimi (foot) blood supply

A

lateral plantar a.

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6
Q

abductor hallucis origin

A

medial side of the tuberosity of calcaneus

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7
Q

abductor hallucis insertion

A

medial side of the base of the proximal phalanx of the great toe (hallux)

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8
Q

abductor hallucis action

A

abducts the great toe; flexes the metatarsophalageal joint

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9
Q

abductor hallucis innervation

A

medial plantar nerve

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10
Q

abductor hallucis blood supply

A

medial plantar a.

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11
Q

adductor brevis origin

A

inferior pubic ramus

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12
Q

adductor brevis insertion

A

pectineal line and linea aspera (deep to the pectineus and adductor longus mm.)

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13
Q

adductor brevis action

A

adducts, flexes, and medially rotates the femur

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14
Q

adductor brevis innervation

A

anterior division of the obturator nerve

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15
Q

adductor brevis blood supply

A

obturator a., deep femoral a.

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16
Q

adductor hallucis origin

A

oblique head: bases of metatarsals 2-4; transverse head: heads of metatarsals 3-5

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17
Q

adductor hallucis insertion

A

lateral side of base of the proximal phalanx of the great toe

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18
Q

adductor hallucis action

A

adducts the great toe (moves it toward midline of the foot; i.e.toward the 2nd digit)

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19
Q

adductor hallucis innervation

A

deep branch of the lateral plantar nerve

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20
Q

adductor hallucis blood supply

A

plantar arterial arch

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21
Q

adductor longus origin

A

medial portion of the superior pubic ramus

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22
Q

adductor longus insertion

A

linea aspera of the femur

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23
Q

adductor longus action

A

adducts, flexes, and medially rotates the femur

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24
Q

adductor longus innervation

A

anterior division of the obturator nerve

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25
Q

adductor longus blood supply

A

obturator a., deep femoral a.

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26
Q

adductor magnus origin

A

ischiopubic ramus and ischial tuberosity

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27
Q

adductor magnus insertion

A

linea aspera of the femur; the ischiocondylar part inserts on the adductor tubercle of the femur

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28
Q

adductor magnus action

A

adducts, flexes, and medially rotates the femur; extends the femur (ischiocondylar part)

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29
Q

adductor magnus innervation

A

posterior division of the obturator nerve; tibial nerve (ischiocondylar part)

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30
Q

adductor magnus blood supply

A

obturator a., deep femoral a., medial femoral circumflex a.

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31
Q

adductor minimus origin

A

lower portion of the inferior pubic ramus

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32
Q

adductor minimus insertion

A

gluteal ridge and upper part of the linea aspera of the femur

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33
Q

adductor minimus action

A

adducts and laterally rotates the femur

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34
Q

adductor minimus innervation

A

posterior division of the obturator nerve

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35
Q

adductor minimus blood supply

A

obturator a., medial femoral circumflex a., deep femoral a.

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36
Q

articularis genu origin

A

anterior surface of the femur above the patellar surface

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37
Q

articularis genu insertion

A

articular capsule of the knee

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38
Q

articularis genu action

A

elevates the articular capsule of the knee joint

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39
Q

articularis genu innervation

A

femoral nerve

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40
Q

articularis genu blood supply

A

descending genicular a.

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41
Q

biceps femoris origin

A

long head: ischial tuberosity; short head: lateral lip of the linea aspera

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42
Q

biceps femoris insertion

A

head of fibula and lateral condyle of the tibia

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43
Q

biceps femoris action

A

extends the thigh, flexes the leg

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44
Q

biceps femoris innervation

A

long head: tibial nerve; short head: common fibular (peroneal) nerve

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45
Q

biceps femoris blood supply

A

perforating branches of the deep femoral a.

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46
Q

dorsal interosseous (foot) origin

A

shafts of adjacent metatarsal bones

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47
Q

dorsal interosseous (foot) insertion

A

bases of the proximal phalanges for digit 2 (both sides) and; digits 3,4 (lateral side)

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48
Q

dorsal interosseous (foot) action

A

abduct digits 2-4 (move these digits away from midline as defined by a plane passing through the 2nd digit); flex the metatarsophalangeal joints and extend the interphalangeal joints of those digits

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49
Q

dorsal interosseous (foot) innervation

A

deep branch of the lateral plantar nerve

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50
Q

dorsal interosseous (foot) blood supply

A

dorsal metatarsal aa.

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51
Q

extensor digitorum brevis origin

A

superolateral surface of the calcaneus

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52
Q

extensor digitorum brevis insertion

A

extensor expansion of toes 1-4

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53
Q

extensor digitorum brevis action

A

extends toes 1-4

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54
Q

extensor digitorum brevis innervation

A

deep fibular (peroneal) nerve

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55
Q

extensor digitorum brevis blood supply

A

dorsalis pedis a.

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56
Q

extensor digitorum brevis origin

A

lateral condyle of the tibia, anterior surface of the fibula, lateral portion of the interosseous membrane

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57
Q

extensor digitorum brevis insertion

A

dorsum of the lateral 4 toes via extensor expansions (central slip inserts on base of middle phalanx, lateral slips on base of distal phalanx)

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58
Q

extensor digitorum brevis action

A

extends the metatarsophalangeal, proximal interphalangeal and distal interphalangeal joints of the lateral 4 toes

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59
Q

extensor digitorum brevis innervation

A

deep fibular (peroneal) nerve

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60
Q

extensor digitorum brevis blood supply

A

anterior tibial a.

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61
Q

extensor hallucis brevis origin

A

superolateral surface of the calcaneus

62
Q

extensor hallucis brevis insertion

A

dorsum of base of proximal phalanx of the great toe

63
Q

extensor hallucis brevis action

A

extends the great toe

64
Q

extensor hallucis brevis innervation

A

deep fibular (peroneal) nerve

65
Q

extensor hallucis brevis blood supply

A

dorsalis pedis a.

66
Q

extensor hallucis longus origin

A

middle half of the anterior surface of the fibula and the interosseous membrane

67
Q

extensor hallucis longus insertion

A

base of the distal phalanx of the great toe

68
Q

extensor hallucis longus action

A

extends the metatarsophalangeal interphalangeal joints of the great toe

69
Q

extensor hallucis longus innervation

A

deep fibular (peroneal) nerve

70
Q

extensor hallucis longus blood supply

A

anterior tibial a.

71
Q

fibulas (peroneus) brevis origin

A

lower one third of the lateral surface of the fibula

72
Q

fibulas (peroneus) brevis insertion

A

tuberosity of the base of the 5th metatarsal

73
Q

fibulas (peroneus) brevis action

A

extends (plantar flexes) and everts the foot

74
Q

fibulas (peroneus) brevis innervation

A

superficial fibular (peroneal) nerve

75
Q

fibulas (peroneus) brevis blood supply

A

fibular (peroneal) a.

76
Q

fibularis (peroneus) longus origin

A

upper two/thirds of the lateral surface of the fibula

77
Q

fibularis (peroneus) longus insertion

A

after crossing the plantar surface of the foot deep to the intrinsic muscles, it inserts on the medial cuneiform and the base of the 1st metatarsal bone

78
Q

fibularis (peroneus) longus action

A

extends (plantar flexes) and everts the foot

79
Q

fibularis (peroneus) longus innervation

A

superficial fibular (peroneal) nerve

80
Q

fibularis (peroneus) longus blood supply

A

fibular (peroneal) a.

81
Q

fibularis (peroneus) tertius origin

A

distal part of the anterior surface of the fibula

82
Q

fibularis (peroneus) tertius insertion

A

dorsum of the shaft of the 5th metatarsal bone

83
Q

fibularis (peroneus) tertius action

A

everts the foot

84
Q

fibularis (peroneus) tertius innervation

A

deep fibular (peroneal) nerve

85
Q

fibularis (peroneus) tertius blood supply

A

anterior tibial a.

86
Q

flexor digiti minimi brevis (foot) origin

A

base of 5th metatarsal bone

87
Q

flexor digiti minimi brevis (foot) insertion

A

lateral side of base of proximal phalanx of 5th digit

88
Q

flexor digiti minimi brevis (foot) action

A

flexes the metatarsophalangeal joint of the 5th digit

89
Q

flexor digiti minimi brevis (foot) innervation

A

lateral plantar nerve

90
Q

flexor digiti minimi brevis (foot) blood supply

A

lateral plantar a.

91
Q

flexor digitorum brevis origin

A

tuberosity of the calcaneus, plantar aponeurosis, intermuscular septae

92
Q

flexor digitorum brevis insertion

A

base of the middle phalanx of digits 2-5 after splitting to allow passage of the flexor digitorum longus tendons

93
Q

flexor digitorum brevis action

A

flexes the metatarsophalangeal and proximal interphalangeal joints of digits 2-5

94
Q

flexor digitorum brevis innervation

A

medial plantar nerve

95
Q

flexor digitorum brevis blood supply

A

medial and lateral plantar aa.

96
Q

flexor digitorum longus origin

A

middle half of the posterior surface of the tibia

97
Q

flexor digitorum longus insertion

A

bases of the distal phalanges of digits 2-5

98
Q

flexor digitorum longus action

A

flexes the metatarsophalangeal, proximal interphalangeal and distal interphalangeal joints of digits 2-5; plantar flexes the foot

99
Q

flexor digitorum longus innervation

A

tibial nerve

100
Q

flexor digitorum longus blood supply

A

tibial a.

101
Q

flexor hallucis brevis origin

A

cuboid, lateral cuneiform, medial side of the first metatarsal

102
Q

flexor hallucis brevis insertion

A

medial belly: medial side of proximal phalanx of the great toe; lateral belly: lateral side of the proximal phalanx of the great toe

103
Q

flexor hallucis brevis action

A

flexes the metatarsophalangeal joint of the great toe

104
Q

flexor hallucis brevis innervation

A

medial plantar nerve (lateral belly occasionally receives innervation from the lateral plantar nerve)

105
Q

flexor hallucis brevis blood supply

A

medial plantar a.

106
Q

flexor hallucis longus origin

A

lower 2/3 of the posterior surface of the fibula

107
Q

flexor hallucis longus insertion

A

base of the distal phalanx of the great toe

108
Q

flexor hallucis longus action

A

flexes the metatarsophalangeal and proximal interphalangeal joints of the great toe; plantar flexes the foot

109
Q

flexor hallucis longus innervation

A

tibial nerve

110
Q

flexor hallucis longus blood supply

A

fibular (peroneal) a. and tibial a.

111
Q

gastrocnemius origin

A

femur; medial head: above the medial femoral condyle; lateral head: above the lateral femoral condyle

112
Q

gastrocnemius insertion

A

dorsum of the calcaneus via the calcaneal (Achilles’) tendon

113
Q

gastrocnemius action

A

flexes leg; plantar flexes foot

114
Q

gastrocnemius innervation

A

tibial nerve

115
Q

gastrocnemius blood supply

A

sural aa. (from the popliteal a.), posterior tibial a.

116
Q

gemellus, inferior origin

A

ischial tuberosity

117
Q

gemellus, inferior insertion

A

obturator internus tendon

118
Q

gemellus, inferior action

A

laterally rotates the femur

119
Q

gemellus, inferior innervation

A

nerve to the quadratus femoris m.

120
Q

gemellus, inferior blood supply

A

inferior gluteal a.

121
Q

gemellus, superior origin

A

ischial spine

122
Q

gemellus, superior insertion

A

obturator internus tendon

123
Q

gemellus, superior action

A

laterally rotates the femur

124
Q

gemellus, superior innervation

A

nerve to the obturator internus m.

125
Q

gemellus, superior blood supply

A

inferior gluteal a.

126
Q

gluteus maximus origin

A

posterior gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament

127
Q

gluteus maximus insertion

A

upper fibers: iliotibial tract; lowermost fibers: gluteal tuberosity of the femur

128
Q

gluteus maximus action

A

extends the thigh; laterally rotates the femur

129
Q

gluteus maximus innervation

A

inferior gluteal nerve

130
Q

gluteus maximus blood supply

A

superior and inferior gluteal aa.

131
Q

gluteus medius origin

A

external surface of the ilium between the posterior and anterior gluteal lines

132
Q

gluteus medius insertion

A

greater trochanter of the femur

133
Q

gluteus medius action

A

abducts the femur; medially rotates the thigh

134
Q

gluteus medius innervation

A

superior gluteal nerve

135
Q

gluteus medius blood supply

A

superior gluteal a.

136
Q

gluteus minimus origin

A

external surface of the ilium between the anterior and inferior gluteal lines

137
Q

gluteus minimus insertion

A

greater trochanter of the femur

138
Q

gluteus minimus action

A

abducts the femur; medially rotates the thigh

139
Q

gluteus minimus innervation

A

superior gluteal nerve

140
Q

gluteus minimus blood supply

A

superior gluteal a.

141
Q

gracilis origin

A

pubic symphysis and the inferior pubic ramus

142
Q

gracilis insertion

A

medial surface of the tibia (via pes anserinus)

143
Q

gracilis action

A

adducts the thigh, flexes and medially rotates the thigh, flexes the leg

144
Q

gracilis innervation

A

anterior division of the obturator nerve

145
Q

gracilis blood supply

A

obturator a.

146
Q

iliacus origin

A

iliac fossa and iliac crest; ala of sacrum

147
Q

iliacus insertion

A

lesser trochanter of the femur

148
Q

iliacus action

A

flexes the thigh; if the thigh is fixed it flexes the pelvis on the thigh

149
Q

iliacus innervation

A

femoral nerve

150
Q

iliacus blood supply

A

iliolumbar a.

151
Q

iliopsoas origin

A

iliac fossa; bodies and transverse processes of lumbar vertebrae

152
Q

iliopsoas insertion

A

lesser trochanter of the femur

Anatomy (5 decks)

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