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Anatomy of Lower Limb and Spine > Dorsum of Foot > Flashcards

Dorsum of Foot Flashcards

1
Q

What are the 2 intrinsic muscles on the dorsum of the foot?

A

Extensor Digitorum Brevis

Extensor Hallucis Brevis

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2
Q

What is the origin of Extensor Digitorum Brevis?

A

Supero-lateral part of the CALCANEUS

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3
Q

What is the insertion of Extensor digitorum brevis?

A

Lateral side of the tendons of Extensor Digitorum LONGUS. On toes 2 , 3, 4.

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4
Q

What is the innervation of Extensor digitorum Brevis?

A

Deep Fibular Nerve (S1, S2)

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5
Q

What is the function of extensor digitorum brevis?

A

Extension of toes 2, 3, 4

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6
Q

What is the origin of Extensor Hallucis Brevis?

A

Supero-lateral part of the CALCANEUS

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7
Q

What is the insertion of Extensor Hallucis Brevis?

A

Base of the proximal phalanx of the Great toe

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8
Q

What is the innervation of Extensor Hallucis Brevis?

A

Deep Fibular Nerve (S1, S2)

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9
Q

What is the action of Extensor Hallucis Brevis?

A

Extension of metatarsophalangeal joint of great toe

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10
Q

What is the origin of Extensor Digitorum LONGUS?

A

Proximal part of the medial surface of the FIBULAR.

Lateral Tibial Condyle

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11
Q

What is the insertion of Extensor Digitorum LONGUS?

A

Base of middle and distal phalanges of toes 2 to 5.

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12
Q

What is the innervation of Extensor Digitorum Longus?

A

Deep Fibular Nerve

L4, S1

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13
Q

What is the action of Extensor Digitorum LONGUS?

A

Extension of toes 2 to 5.

Dorsiflexion of foot.

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14
Q

What is the origin of Extensor Hallucis LONGUS?

A

Middle half of the medial aspect of the fibula.

and Adjacent interosseous membrane.

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15
Q

What is the insertion of Extensor Hallucis LONGUS?

A

Base of proximal phalanx of the Great Toe

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16
Q

What is the innervation of Extensor Hallucis LONGUS?

A

Deep Fibular nerve (L5, S1)

17
Q

What is the action of Extensor Hallucis Longus?

A

Extension of Great toe.

Dorsiflexion of foot.

Anatomy of Lower Limb and Spine (15 decks)

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