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Human Gross Anatomy > Distal leg muscle actions and innervations > Flashcards

Distal leg muscle actions and innervations Flashcards

1
Q

What are the muscles of the anterior compartment ?

A

Tibialis anterior, Flexor digitorum longus, flexor hallucis longus, peroneus tertius.

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2
Q

What are the muscle in the lateral compartment?

A

Peroneus brevis and longus

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3
Q

What are the muscle of the posterior compartment?

A

Popliteus, Plantaris, Gastrocnemius, Soleus, Tibialis posterior, flexor digitorium longus, and flexor hallucis longus

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4
Q

Action of Tibialis anterior

A

Dorsiflex and invert foot

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5
Q

Action of Extensor digitorum longus

A

Extend digits 2-5, dorsiflex, eversion

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6
Q

Action of Extensor hallucis longus

A

Extend digit 1, dorsiflex, inversion

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7
Q

Action of peroneus tertius

A

eversion

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8
Q

Anterior compartment muscles are innervated by…

A

Deep peroneal nerve

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9
Q

Action of peroneus longus

A

Eversion, plantar flexion

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10
Q

Action of peroneus brevis

A

Eversion, plantar flexion

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11
Q

Innervation of lateral compartment muscles?

A

Superficial peroneal n

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12
Q

Action of Gastrocnemius

A

Powerful plantar flexion, minor knee flexion

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13
Q

Action of soleus

A

plantar flexion

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14
Q

Action of Plantaris

A

Plantar flexion and flex knee

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15
Q

Action of popliteus

A

Flex knee, lateral rotation of femur on the tibia, unlocking the knee.

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16
Q

Action of flexor digitorum longus

A

Flex digits 2-5, plantar flexion, inversion

17
Q

Action of flexor hallucis longus

A

Flex digit 1, plantar flexion, inversion

18
Q

Action of tibialis posterior

A

inversion, plantar flexion

19
Q

Innervation of all posterior compartment muscles?

A

Tibial n.

20
Q

What are the muscles of the foot?

A

Dorsal: extensor digitorium brevis

Plantar:
Flexor digitorum brevis,
Flexor hallucis brevis, Adductor hallucis, Abductor hallucis, Abductor digiti minimi, Quadratus plantaris.

21
Q

Action of extensor digitorum brevis?

A

Extend digits 1-4

22
Q

Innervation of extensor digitorum brevis?

A

deep peroneal

23
Q

Action of adductor hallucis

A

Adduction of digit 1

24
Q

Action of abductor hallucis

A

Abduction of digit 1

25
Q

Action of abductor digiti minimi?

A

Abduction of digit 5

26
Q

Action of flexor digitorum brevis?

A

Flex digits 2-5

27
Q

Action of quadratus plantae

A

Assist in flexion of digits 2-5

28
Q

Action of flexor hallucis brevis

A

Flex digit 1

29
Q

Innervation of flexor hallucis brevis

A

Median plantar

30
Q

Innervation of flexor digitorum brevis

A

median plantar

31
Q

Innervation of adductor hallucis

A

Median plantar

32
Q

Innervation of abductor hallucis

A

Median plantar

33
Q

Innervation of abductor digiti minimi

A

lateral plantar

34
Q

Innervation of quadratus plantae

A

lateral plantar

Human Gross Anatomy (10 decks)

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