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CLINICAL ANATOMY-SPINE AND LE > Muscles of the Foot > Flashcards

Muscles of the Foot Flashcards

1
Q

Abductor digiti minimi attachments

A

from calcaneal tuberosity to lateral side of proximal phalangeal base of 5th digit

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2
Q

Abductor digiti minimi actions

A

abducts the 5th digit, flexes the 5th digit

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3
Q

abductor digiti minimi innervation

A

lateral plantar nerve (S1-2)

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4
Q

Abductor hallucis attachments

A

from medial calcaneal tuberosity to medial side of proximal phalangeal base of great toe

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5
Q

Abductor hallucis actions

A

abducts and flexes the great toe

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6
Q

abductor hallucis innervation

A

medial plantar nerve (L4-5-S1)

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7
Q

Flexor digitorum brevis attachments

A

from medial process of calcaneal tuberosity to sides of intermediate phalanges of digits 2-5

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8
Q

Flexor digitorum brevis actions

A

flexes toes (proximal IP)

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9
Q

flexor digitorum brevis innervation:

A

medial plantar nerve (L4-L5-S1)

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10
Q

quadratus plantae attachments

A

from medial surface of calcaneus & lateral process of calcaneal tuberosity to long flexor tendons via the flexor digitorum longus

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11
Q

quadratus plantae actions

A

assists flexor digitorum longus with toe flexion at PIP AND DIP

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12
Q

quadratus plantae innervation

A

lateral plantar nerve (S1-2)

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13
Q

lumbricals attachments

A

from tendons of flexor digitorum longus to medial sides of dorsal expansions of digits 2-5

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14
Q

lumbricals actions

A

flexes proximal phalanges (MTP), and extend IP joints

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15
Q

lumbricals innervation

A

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

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16
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

17
Q

adductor hallucis actions

A

adducts great toe

18
Q

adductor hallucis innervation

A

lateral plantar nerve (S1-2)

19
Q

flexor digiti minimi brevis attachments

A

from 5th metatarsal base to proximal phalangeal base of the 5th digit

19
Q

flexor digiti minimi brevis attachments

A
20
Q

flexor digiti minimi brevis actions

A

flexion of 5th digit (MP-metatarsophalangeal joint )

21
Q

flexor digiti minimi brevis innervation

A

lateral plantar nerve (S1-2)

22
Q

flexor hallucis brevis attachments

A

from cuboid & tendon of tibialis posterior to base of the proximal phalanx of great toe

23
Q

flexor hallucis brevis actions

A
  • flexion of great toe (MP)
24
Q

flexor hallucis brevis innervation

A

medial plantar nerve (L4-5-S1)

25
Q

plantar interossei attachments

A

from plantar surface of base of metatarsals to dorsal digital expansions of digits 3-5

26
Q

plantar interossei actions

A

adducts & flexes (MP) digits 3-5

27
Q

plantar interossei innervation

A

lateral plantar nerve (S1-2)

28
Q

dorsal interossei attachments (4 muscles)

A

from metatarsal shafts to proximal phalangeal bases & dorsal digital expansions of digits 2-4

29
Q

dorsal interossei actions

A

abducts and flexes (MP) digits 2-4

30
Q

dorsal interossei innervation

A

lateral plantar nerve (S1-2)

31
Q

extensor digitorum brevis attachments (dorsal surface of the foot)

A

from anterolateral calcaneus to dorsal aspect of the base of the proximal phalanx (digit 1 for EHB) or to the lateral side of tendons of extensor digitorum longus (digits 2-4 for EDB)

32
Q

extensor digitorum brevis actions

A

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

33
Q

extensor digitorum brevis innervation

A

deep fibular nerve brevis (L4-5-S1; medial slip of this muscle is extensor hallucis brevis)

34
Q

extensor hallucis brevis attachments

A

from anterolateral calcaneus to dorsal aspect of the base of the proximal phalanx of the great toe

35
Q

extensor hallucis brevis actions

A

extends the great toe at the metatarsophalangeal joint

36
Q

extensor hallucis brevis innervation

A

deep fibular nerve (L4-L5-S1)

CLINICAL ANATOMY-SPINE AND LE (11 decks)

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