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MRCS anatomy > LL: Foot > Flashcards

LL: Foot Flashcards

1
Q

Bones of the foot

A
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2
Q

Sustentaculum Tali

A

Projection from calcaneus allowing talus placement

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3
Q

Parts of deltoid ligament

A

4 parts

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4
Q

Lateral ligaments of ankle

A

3 parts

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5
Q

Structures posterior to medial malleolus/through tarsal tunnel

A

Tom Dick And Nervous Harry

Tibialis posterior tendon
flexor Digitorum longus
posterior tibial Artery
tibial Nerve
Hallucis longus

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6
Q

Structures posterior to lateral malleolus

A

Superficial to peroneal retinaculum:

  • Sural nerve
  • Short saphenous vein

Deep:

  • Peroneus longus

Peroneus brevis

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7
Q

Origin and insertion of extensor digitorum brevis

A

calcaneus to great toe

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8
Q

Innervation of extensor digitorum brevis

A

Deep fibular nerve

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9
Q

Action of extensor digitorum brevis

A

Extension of MTP of great toe and toes

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10
Q

Muscles of the sole of the foot

A

From superficial to deep

4 layers

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11
Q

Most superficial (1st) layer of muscles of sole of the foot

A

Abductor hallucis

Flexor digitorum brevis

Abductor digiti minimi

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12
Q

Origin and insertion of abductor hallucis

A

calcaneous to proximal phalanx

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13
Q

Origin and insertion of flexor digitorum brevis

A

Calcaneus to phalanges of lateral 4 toes

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14
Q

Origin and insertion of abductor digiti minimi

A

Calcaneus to proximal phalanx of little toe

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15
Q

Innervation of abductor hallucis and flexor digitorum brevis

A

Medial plantar nerve from tibial nerve

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16
Q

Innervation of abductor digiti minimi

A

Lateral plantar nerve from tibial nerve

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17
Q

Action of flexor digitorum brevis

A

Flexes toes at PIP

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18
Q

Second layer of foot muscles

A

Quadratus plantae

Lumbricals

19
Q

Origin and insertion of quadratus plantae

A

Calcaneus to tendon of flexor digitorum longus

20
Q

Origin and insertion of lumbricals

A

Tendon of flexor digitorum longus to extensor hoods of toes

21
Q

Innervation of quadratus plantae

A

lateral plantar nerve

22
Q

Innervation of lumbricals

A

1st- medial plantar nerve of tibial nerve

Rest- lateral plantar nerve of tibial nerve

23
Q

Action of quadratus plantae

A

Assists flexor digitorum longus to flex

24
Q

Action of lumbricals

A

Flexion of MTP, extension of PIP/DIP

25
Q

3rd layer of sole of the foot muscles

A

Flexor hallucis brevis

Adductor hallucis

Flexor digiti minimi brevis

26
Q

Origin and insertion of flexor hallucis brevis

A

Cuboid and lateral cuneiform: tendon of tibialis posterior to base of proximal phalanx of great toe

27
Q

Origin and insertion of flexor digiti minimi brevis

A

Base of metatarsal 5 to lateral side of proximal phalanx

28
Q

Innervation of flexor hallucis brevis

A

medial plantar nerve

29
Q

Innervation of adductor hallucis and flexor digiti minimi brevis

A

Lateral plantar nerve

30
Q

Muscles of 4th layer of sole of foot

A

Dorsal interossei

Plantar interossei

31
Q

Origin and insertion of dorsal interossei

A

Adjacent metatarsals to extensor hoods of proximal phalanges

32
Q

Origin and insertion of plantar interossei

A

medial side of metatarsal to extensor hoods

33
Q

Innervation of interossei muscles

A

Lateral plantar nerve from tibial nerve

(2nd dorsal interossei innervated by deep fibular nerve)

34
Q

Function of interossei muscles

A

PAD DAB

Dorsal abduct

Plantar adduct

35
Q

Dorsal foot blood supply

A
36
Q

Plantar foot blood supply

A
37
Q

Foot venous supply

A
38
Q

Sole of the foot sensory innervation

A
39
Q

Dorsal aspect of foot sensory innervaiton

A
40
Q

Ankle reflex spinal route

A

S1-2

41
Q

Which foot ligament damaged in inversion injuries

A

Anterior talofibular ligament

Calcaneofibular ligament

42
Q

Which foot ligaments are injured in eversion foot injury

A

Deltoid

43
Q

Damage to calcaneonavicular ligament

A

Causes loss of medial longitudinal arch/ flat foot

aka spring ligament

MRCS anatomy (27 decks)

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