Anterior Compartment of the Leg Muscles Flashcards

0
Q

Insertion of Tibialis Anterior

A

Medial and Inferior surfaces of Medial Cuneiform

Base of 1st Metatarsal

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1
Q

Origin of Tibialis Anterior

A

Lateral Condyle

Superior 2/3 of Lateral surface of Fibula and Interosseous Membrane

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2
Q

Innervation of Tibialis Anterior

A

Deep Fibular Nerve L4 L5

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3
Q

Action of Tibialis Anterior

A

Dorsiflexes Ankle
Inverts Foot
Support Medial Longitudinal Arch of Foot

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4
Q

Origin of Extensor Hallucis Longus

A

Middle part of Anterior surface of Fibula

Interosseous Membrane

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5
Q

Insertion of Extensor Hallucis Longus

A

Dorsal aspect of Base of Distal Phalanx of Hallux

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6
Q

Innervation of Extensor Hallucis Longus

A

Deep Fibula Nerve L5 S1

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7
Q

Actions of Extensor Hallucis Longus

A

Extends Great Toe

Dorsiflexes Ankle

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8
Q

Origin of Extensor Digitorum Longus

A

Lateral Condyle of Tibia
Superior 2/3 of Anterior surface of Fibula
Interosseous Membrane

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9
Q

Insertion of Extensor Digitorum Longus

A

Middle and Distal Phalanges of Lateral Four Digits

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10
Q

Innervation of Extensor Digitorum Longus

A

Deep Fibular Nerve L5 S1

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11
Q

Action of Extensor Digitorum Longus

A

Extends Lateral Four Digits

Dorsiflexes Ankle

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12
Q

Origin of Fibularis Tertius

A

Inferior third of Anterior surface of Fibula

Interosseous Membrane

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13
Q

Insertion of Fibularis Tertius

A

Dorsum of base of 5th Metatarsal

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14
Q

Innervation of Fibularis Tertius

A

Deep Fibular Nerve L5 S1

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15
Q

Action of Fibularis Tertius

A

Dorsiflexes Ankle

Aids in Eversion of Foot