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Lower Limb Anatomy > Leg And Dorsum Of Foot > Flashcards

Leg And Dorsum Of Foot Flashcards

1
Q

Origin of tibialis anterior

A

Lateral condyle and superior 1/2 of lateral tibia and interosseous membrane

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2
Q

Insertion of tibialis anterior

A

Medial and inferior surface of medial cuneiform and adjacent part of 1st metatarsal

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3
Q

Nerve supply of tibialis anterior

A

Deep peroneal and recurrent genicular nerve l4-5

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4
Q

Action of tibialis anterior

A

Dorsiflexion of ankle
Inversion of foot
Helps maintain medial longitudinal arch of the foot

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5
Q

Origin of extensor digitorum longus

A

Lateral condyle of tibia
Superior 3/4 of media fibula and interosseous membrane

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6
Q

Insertion of extensor digitorum longus

A

Lateral 4 toes

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7
Q

Nerve supply for extensor digitorum longus

A

Deep peroneal nerve L5-S1

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8
Q

Action of extensor digitorum longus

A

Dorsiflexes lateral four toes

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9
Q

Origin of extensor hallucis longus

A

Middle part of fibula and adjacent interosseous membrane

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10
Q

Insertion of extensor hallucis longus

A

Base of terminal phalanx of 1st digit

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11
Q

Nerve supply to extensor hallucis longus

A

Deep peroneal nerve L5

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12
Q

Action of extensor hallucis longus

A

Dorsiflex the great toe
Secondary dorsiflexor of ankle

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13
Q

Origin of peroneus (fibularis) tertius

A

Lower 1/3 of anterior fibula and interosseous membrane

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14
Q

Tendon of peroneus tertius shares it synovial sheath with

A

Extensor digitorum longus

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15
Q

Insertion of peroneus (fibularis) tertius

A

Dorsum of base of 5th metatarsal and superior surface of 5th metatarsal

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16
Q

Nerve supply of deep peroneal (fibularis) tertius

A

Deep peroneal nerve L5-S1

17
Q

The 4 muscles of anterior/extensor compartment of leg

A

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Peroneus (fibularis) tertius

Lower Limb Anatomy (4 decks)

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