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Anatomy Lower extremity > Foot muscles > Flashcards

Foot muscles Flashcards

1
Q

What is the nerve innervation of the abductor hallicus?

A

medial plantar nerve (S2 and S3)

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2
Q

what is the action of the abductor hallicus?

A

abducts and flexes the great toe

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3
Q

what is the nerve innervation of the flexor digitorum brevis?

A

medial plantar nerve (S2 and S3)

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4
Q

what is the action of the flexor digitorum brevis?

A

flexes lateral 4 digits

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5
Q

what is the nerve innervation of the abductor digiti minimi?

A

lateral planter nerve (S2 and S3)

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6
Q

what is the action of the abductor digiti minimi?

A

abducts and flexes the 5th digit

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7
Q

what is the nerve innervation of the quadratus plantae?

A

lateral plantar nerve (S2 and S3)

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8
Q

what is the action of the quadratus plantae?

A

assits FDL in flexing lateral 4 digits

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9
Q

what is the nerve innervation of the lumbricals?

A

medial one: medial plantar nerve (S2 and S3)

Lateral three: lateral plantar nerve (S2 and S3)

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10
Q

what is the action of the lumbricals?

A

flex proximal phalanges, extends middle and distal phalanges of the lateral 4 digits

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11
Q

what is the nerve innervation of the flexor hallicus brevis?

A

medial plantar nerve (S2 and S3)

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12
Q

what is the action of the flexor hallicus brevis?

A

flexes the proximal phalynx of the 1st digit

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13
Q

what is the nerve innervation of the flexor digiti minimi brevis?

A

superficial branch of the lateral plantar nerve (S2 and S3)

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14
Q

what is the action of the flexor digiti minimi brevis>?

A

flexes the proximal phalynx of the 5th digit

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15
Q

what is the nerve innervation of the adductor hallicus?

A

deep branch of the lateral plantar nerve (S2 and S3)

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16
Q

what is the action of the adductor hallicus?

A

adducts the 1st digit

17
Q

what is the nerve innervation of the plantar interossei (3 muscles)?

A

lateral planter nerve (S2 and S3)

18
Q

what is the action of the planter interossei (3 muscles)?

A

adducts digits 2-4 and flexes the metatarsalphalangeal joint

19
Q

what is the nerve innervation of the dorsal interossei (4 muscles)?

A

lateral planter nerve (S2 and S3)

20
Q

what is the action of the dorsal interossei (4 muscles)?

A

abducts digits 2-4 and flexes the metatarsalphalangeal joint

21
Q

what is the nerve innervation of the extensor digitorum brevis?

A

deep fibular nerve (L5 or S1 or both)

22
Q

what is the action of the extensor digitorum brevis?

A

aids the extensor digitorum longus in extending the 4 medial toes

23
Q

what is the nerve innervation of the extensor hallicus brevis?

A

deep fibular nerve ( L5 or S1 or both)

24
Q

what is the action of the extensor hallicus brevis?

A

aids the extensor digitorum longus in extending the great toe

Anatomy Lower extremity (5 decks)

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