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Anatomy > LOWER LIMB MUSCLES: FOOT > Flashcards

LOWER LIMB MUSCLES: FOOT Flashcards

1
Q

Which nerves innervate the fibularis brevis?

A

superficial fibular nerve

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2
Q

Which blood vessels supply the fibularis brevis?

A

fibular artery from posterior tibial artery

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3
Q

Where is the origin of the fibularis brevis?

A

lower 1/3 of lateral surface of the fibula

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4
Q

Where is the insertion of the fibularis brevis?

A

lateral side of the base of the 5th metatarsal

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5
Q

What is the function of the fibularis brevis?

A

everts and plantar flexes foot and supports the lateral longitudinal arch of the foot

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6
Q

Which nerves innervate the fibularis longus?

A

superficial fibular nerve

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7
Q

Which blood vessels supply the fibularis longus?

A

fibular artery from posterior tibial artery

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8
Q

Where is the origin of the fibularis longus?

A

lateral condyle of tibia head and upper 2/3 of lateral surface of the fibula

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9
Q

Where is the insertion of the fibularis longus?

A

base of 1st metatarsal and adjacent medial cuneiform bone

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10
Q

What is the function of the fibularis longus?

A

everts and plantar flexes foot and supports the lateral longitudinal and transverse arches of the foot

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11
Q

Which nerves innervate the abductor hallucis?

A

medial plantar nerve

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12
Q

Which blood vessels supply the abductor hallucis?

A

medial plantar artery

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13
Q

Where is the origin of the abductor hallucis?

A

medial tuberal process of calceneus, plantar aponeurosis and medial intermuscular septum

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14
Q

Where is the insertion of the abductor hallucis?

A

medial side of the base of the proximal phalanx of the great toe

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15
Q

What is the function of the abductor hallucis?

A

abducts great toe and flexes MTP joint and supports medial longitudinal arch

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16
Q

Which nerves innervate the flexor digitorum brevis?

A

medial plantar nerve

17
Q

Which blood vessels supply the flexor digitorum brevis?

A

medial plantar artery

18
Q

Where is the origin of the flexor digitorum brevis?

A

medial tuberal process of calcaneus, lateral and medial intermuscular septum

19
Q

Where is the insertion of the flexor digitorum brevis?

A

middle phalanx of lateral 4 toes

20
Q

What is the function of the flexor digitorum brevis?

A

flexes lateral four toes and supports medial and lateral longitudinal arches

21
Q

Which nerves innervate the lumbricals?

A

1st lumbrical by medial
plantar nerve and others
by lateral plantar nerve

22
Q

Which blood vessels supply the lumbricals?

A

medial and lateral plantar artery

23
Q

Where is the origin of the lumbricals?

A

from tendons of the flexor digitorum longus muscle 1st from medial side of tendon others from the sides of adjacent tendons

24
Q

Where is the insertion of the lumbricals?

A

extensor tendons on dorsum of the lateral 4 toes

25
Q

What is the function of the lumbricals?

A

aid in flexion of MTP joints and theoretically extend the IP joints

26
Q

Which nerves innervate the quadratus plantae?

A

lateral plantar nerve

27
Q

Which blood vessels supply the quadratus plantae?

A

lateral plantar artery

28
Q

Where is the origin of the quadratus plantae?

A

medial head - medial surface of calcaneus and long plantar ligament lateral head - lateral border of calcaneus and long plantar ligament

29
Q

Where is the insertion of the quadratus plantae?

A

tendons of flexor digitorum longus

30
Q

What is the function of the quadratus plantae?

A

aids the flexor digitorum in flexing the terminal phalanges of the 4 lateral toes by converting pull from posteriormedial to posterior

31
Q

Which nerves innervate the adductor hallucis?

A

deep branch of lateral plantar nerve

32
Q

Which blood vessels supply the adductor hallucis?

A

1st plantar metatarsal artery

33
Q

Where is the origin of the adductor hallucis?

A

oblique head - bases of 2nd-4th metatarsal bones transverse head - plantar ligament

34
Q

Where is the insertion of the adductor hallucis?

A

lateral side anterior base of proximal phalanx of great toe

35
Q

What is the function of the adductor hallucis?

A

adducts and assists in flexing great toe

Anatomy (13 decks)

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