Foot/Ankle Flashcards

(47 cards)

1
Q

origin of tibialis anterior

A

lateral condyle
proximal 1/2 lateral surface of tibia
adjacent interosseous membrane

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2
Q

insertion of tibialis anterior

A

medial cuneiform bone
base of 1st metatarsal bone

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3
Q

action of tibialis anterior

A

dorsiflexion

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4
Q

origin of extensor digitorum longus

A

lateral condyle of tibia
adjacent interosseous membrane

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5
Q

insertion of extensor digitorum longus

A

dorsal aspects of middle and distal phalanges of 2, 3, 4, 5 toes

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6
Q

action of extensor digitorum longus

A

extensor of toes
dorsiflexor of ankle

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7
Q

origin of extensor hallucis longus

A

medial surface of fibula
adjacent interosseous membrane

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8
Q

insertion of extensor hallucis longus

A

dorsal base of distal phalanx of big toe

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9
Q

action of extensor hallucis longus

A

extensor of big toe
dorsiflexor of ankle

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10
Q

origin of tibialis posterior

A

posterior surface of tibia and fibula
adjacent interosseous membrane

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11
Q

insertion of tibialis posterior

A

tuberosity of navicular bone
lateral cuneiform bone
plantar base of 2nd-4th metatarsal bones

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12
Q

action of tibialis posterior

A

inverts
plantar flexor

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13
Q

origin of flexor digitorum longus

A

posterior surface of tibia

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14
Q

insertion of flexor digitorum longus

A

plantar aspects of bases of distal phalanges of 2, 3, 4, 5 toes

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15
Q

action of flexor digitorum longus

A

flexor of 2, 3, 4, 5 toes
plantar flex foot at ankle

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16
Q

origin of flexor hallucis longus

A

posterior fibula
adjacent interosseous membrane

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17
Q

insertion of flexor hallucis longus

A

plantar base of distal phalanx of big toe

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18
Q

action of flexor hallucis longus

A

flexor of big toe
plantar flexor of foot

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19
Q

origin of extensor digitorum brevis

A

dorsolateral calcaneus
inferior extensor retinaculum
talocalcaneal interosseous ligament

20
Q

insertion of extensor digitorum brevis

A

extensor expansions of 2, 3, 4 toes

21
Q

action of extensor digitorum brevis

A

extensor of 2, 3, 4 toes

22
Q

origin of flexor digitorum brevis

A

calcaneal tuberosity

23
Q

insertion of flexor digitorum brevis

A

plantar bodies of middle phalanges of 2, 3, 4, 5 toes

24
Q

action of flexor digitorum brevis

A

flexor of 2, 3 , 4 toes

25
origin of lumbricals
tendons of flexor digitorum longus
26
insertion of lumbricals
medial bases of proximal phalanges extensor expansion of 2, 3, 4, 5
27
action of lumbricals
flexor extensor of 2, 3, 4 , 5 toes
28
origin of dorsal interossei
opposing sides of metatarsal bones 1-5
29
insertion of dorsal interossei
1 = medial base of proximal phalanxes 2-4 = lateral base of proximal phalanges
30
action of dorsal interossei
abduct 2, 3, 4 toes at metatarsophalangeal joint flexor extensor
31
origin of plantar interossei
medial aspects of metatarsal bones 3-5
32
insertion of plantar interossei
medial bases of proximal phalanges extensor expansions of digits 3-5
33
action of plantar interossei
metatarsophalangeal joints 3-5 = toe flexion and adduction interphalangeal joints 3-5 = toe extension
34
origin of peroneus longus
head and lateral surface of fibula
35
insertion of peroneus longus
plantar surface of medial cuneiform bone base of 1st metatarsal bone
36
action of peroneus longus
eversion plantarflexion
37
origin of peroneus brevis
lateral surface of fibula
38
insertion of peroneus brevis
tuberosity of 5th metatarsal bone
39
action of peroneus brevis
eversion plantarflexion
40
origin of peroneus tertius
medial surface of fibula adjacent interosseous membrane
41
insertion of peroneus tertius
dorsal aspect of base + body of 5th metatarsal bone
42
action of peroneus tertius
dorsiflexor eversion
43
intrinsic dorsal muscle?
extensor digitorum brevis extensor hallucis brevis
44
intrinsic plantar muscles - layer 1
abductor hallucis flexor digiti brevis abductor digiti minimi
45
intrinsic plantar muscles - layer 2
quadratus plantae lumbricals
46
intrinsic plantar muscles - layer 3
flexor hallucis brevis adductor hallucis flexor + digit minimi brevis
47
intrinsic plantar muscles - layer 4
plantar interossei dorsal interossei