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2MB MSK Anatomy > Foot > Flashcards

Foot Flashcards

1
Q

List the extrinsic muscles of the toe

A

Extensor hallucis longus
Flexor hallucis longus
Fibularis longus

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2
Q

List the intrinsic muscles of the toe

A

Extensor hallucis brevis
Flexor hallucis brevis
Adductor hallucis
Abductor hallucis

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3
Q

What is the origin + insertion of extensor hallucis brevis?

A

Calcaneus

Proximal phalanx of big toe

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4
Q

What is the nerve + arterial supply to extensor hallucis brevis?

A

Deep fibular nerve

Dorsalis pedis artery

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5
Q

Which movements does extensor hallucis brevis enable?

A

Toe: extension

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6
Q

What is the origin + insertion of flexor hallucis brevis?

A

Cuboid/lateral cuneiform

Proximal phalanx of big toe

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7
Q

What is the nerve supply to flexor hallucis brevis?

A

Medial plantar nerve

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8
Q

Which movements does flexor hallucis brevis enable?

A

Toe: flexion

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9
Q

What is the origin + insertion of adductor hallucis?

A

Metatarsals 2-4

Proximal phalanx of big toe

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10
Q

What is the nerve supply to adductor hallucis?

A

Lateral plantar nerve

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11
Q

Which movements does adductor hallucis enable?

A

Toe: adduction

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12
Q

What is the origin + insertion of abductor hallucis?

A

Calcaneal tuberosity

Proximal phalanx of big toe

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13
Q

What is the nerve supply to abductor hallucis?

A

Medial plantar nerve

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14
Q

Which movements does abductor hallucis enable?

A

Toe: abduction

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15
Q

Of the 4 intrinsic toe muscles, which are on the plantar and dorsal surfaces?

A 
Dorsum = extensor hallucis brevis
Plantar = flexor hallucis brevis, abductor hallucis, adductor hallucis
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16
Q

List the extrinsic muscles of the digits of the foot

A 
Flexor digitorum longus
Extensor digitorum longus
Tibialis anterior
Tibialis posterior
Fibularis brevis
Fibularis tertius
17
Q

List the intrinsic muscles of the digits of the foot

A 
Extensor digitorum brevis
Flexor digitorum brevis
Abductor digiti minimi
Flexor digiti minimi
Quadratus plantae
Lumbricals
Interossei
18
Q

What is the origin + insertion of extensor digitorum brevis?

A

Calcaneus

Middle phalanges of digits 2-4

19
Q

What is the nerve + arterial supply to extensor digitorum brevis?

A

Deep fibular nerve

Dorsalis pedis artery

20
Q

Which movements does extensor digitorum brevis enable?

A

Digits: extension

21
Q

What is the origin + insertion of flexor digitorum brevis?

A

Calcaneus

Phalanges 2-5

22
Q

What is the nerve + arterial supply to flexor digitorum brevis?

A

Medial plantar nerve

Medial + lateral plantar arteries

23
Q

Which movements does flexor digitorum brevis enable?

A

Digits: flexion

24
Q

What is the origin + insertion of abductor digiti minimi?

A

Plantar aponeurosis

Phalange of digit 5

25
Q

What is the nerve supply to abductor digiti minimi?

A

Lateral plantar nerve

26
Q

Which movements does abductor digiti minimi enable?

A

Little toe: flexion, abduction

27
Q

What is the origin + insertion of flexor digiti minimi?

A

Metatarsal 5

Phalange of digit 5

28
Q

What is the nerve supply to flexor digiti minimi?

A

Lateral plantar nerve

29
Q

Which movements does flexor digit minimi enable?

A

Little toe: flexion, abduction

30
Q

What is the origin + insertion of quadratus plantae?

A

Calcaneus

Tendon of flexor digitorum longus

31
Q

What is the nerve supply to quadratus plantae?

A

Lateral plantar nerve

32
Q

Which movements does quadratus plantae enable?

A

Toes: flexion at DIP joints

33
Q

How many lumbrical muscles are there in the foot?

34
Q

How many interossei muscles are there in the foot?

35
Q

Of the intrinsic muscles of the digits of the foot, which are on the dorsal and plantar surfaces?

A 
Dorsum = extensor digitorum brevis
Plantar = the rest

2MB MSK Anatomy (10 decks)

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