Muscles of The Foot Flashcards

1
Q

Abductor digiti minimi - Attachments

A

FROML
*calcaneal tuberosity

TO:
*lateral side of proximal phalangeal base of 5th digit

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2
Q

Abductor digiti minimi - Actions

A

abducts & flexes 5th digit

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2
Q

Abductor digiti minimi - Innervation

A

lateral plantar nerve (S1-2)

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3
Q

Abductor hallucis - Attachments

A

FROM:
*medial calcaneal tuberosity

TO:
*medial side of proximal phalangeal base of great toe

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4
Q

Abductor hallucis - Actions

A

flexes & abducts great toe

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5
Q

Abductor hallucis - Innervation

A

medial plantar nerve (L4-S1)

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6
Q

Adductor hallucis - Attachments

A

FROM:
*2-4th metatarsal bases (oblique head)
*distal ends of 3-5 metatarsal (transverse head)

TO:
*lateral base of the proximal phalanx of great toe

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7
Q

Adductor hallucis - Actions

A

adducts great toe

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8
Q

Adductor hallucis - Innervation

A

lateral plantar nerve (S1-2)

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9
Q

Extensor digitorum brevis (medial slip of this muscle is extensor hallucis brevis) - Attachments

A

FROM:
*anterolateral calcaneus

TO:
*dorsal aspect of the base of the proximal phalanx (digit 1 for EHB)
OR
*the lateral side of tendons of extensor digitorum longus (digits 2-4 for EDB)

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10
Q

Extensor digitorum brevis (medial slip of this muscle is extensor hallucis brevis) - Actions

A

*extension of digits 2-5 (MP & IP; EDB)
*extension of digit 1 (EHB)

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11
Q

Extensor digitorum brevis (medial slip of this muscle is extensor hallucis brevis) - Innervation

A

deep fibular nerve (L4-S1)

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12
Q

Extensor digitorum brevis (medial slip of this muscle is extensor hallucis brevis) - Attachments

A
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13
Q

Extensor hallucis brevis - Attachments

A

FROM:
*extensor digitorum brevis

TO:
*dorsal aspect of the base of the proximal phalanx of the hallux

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14
Q

Extensor hallucis brevis - Actions

A

extension of great toe at metatarsophalangeal joint

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15
Q

Extensor hallucis brevis - Innervation

A

deep fibular nerve (L4-S1)

16
Q

Quadratus plantae - Attachments

A

FROM:
*medial surface of calcaneus
*lateral process of calcaneal tuberosity

TO:
*long flexor tendons

17
Q

Quadratus plantae - Actions

A

assists flexor digitorum longus

18
Q

Quadratus plantae - Innervation

A

lateral plantar nerve (S1-2)

19
Q

Flexor digitorum brevis - Attachments

A

FROM:
*medial process of calcaneal tuberosity

TO:
*sides of intermediate phalanges of digits 2-5

20
Q

Flexor digitorum brevis - Actions

A

flexes toes (proximal IP)

21
Q

Flexor digitorum brevis - Innervation

A

medial plantar nerve (L4-S1)

22
Q

Flexor digiti minimi brevis - Attachments

A

FROM:
*5th metatarsal base

TO:
*proximal phalangeal base

23
Q

Flexor digiti minimi brevis - Actions

A

flexion of 5th digit (MP)

24
Q

Flexor digiti minimi brevis - Innervation

A

lateral plantar nerve (S1-2)

25
Q

Flexor hallucis brevis - Attachments

A

FROM:
*cuboid
*tendon of tibialis posterior

TO:
*base of the proximal phalanx of great toe

26
Q

Flexor hallucis brevis - Actions

A

flexion of great toe (MP)

27
Q

Flexor hallucis brevis - Innervation

A

medial plantar nerve (L4-S1)

28
Q

Dorsal interossei - Attachments

A

FROM:
*metatarsal shafts

TO:
*proximal phalangeal bases
*dorsal digital expansions of digits 2-4

29
Q

Dorsal interossei - Actions

A

abducts (MP) & flexes (MP) digits 2-4

30
Q

Dorsal interossei - Innervation

A

lateral plantar nerve (S1-2)

31
Q

Plantar interossei - Attachments

A

FROM:
*plantar surface of base of metatarsals

TO:
*dorsal digital expansions of digits 3-5

32
Q

Plantar interossei - Actions

A

adducts & flexes (MP) digits 3-5

33
Q

Plantar interossei - Innervation

A

lateral plantar nerve (S1-2)

34
Q

Lumbricals - Attachments

A

FROM:
*tendons of flexor digitorum longus

TO:
*medial sides of dorsal expansions of digits 2-5

35
Q

Lumbricals - Actions

A

flexes proximal phalanges (MP), and extend IP joints

36
Q

Lumbricals - Innervation

A

*1st- medial plantar nerve (L4-5-S1)
*2nd-4th- lateral plantar nerve (S1-2)