Anterior Muscles of Leg Flashcards by Tom Kay | Brainscape

Q

Muscles in the Anterior Compartment of the Leg:

A

Tibialis Anterior
Extensor Hallucis Longus
Extensor Digitorum Longus
Fibularis Tertius

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Q

Origin of Tibialis Anterior

A

Lateral Tibia and Interosseus Membrane

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Q

Insertion of Tibialis Anterior

A

Medial Cuneiform and Metatarsal 1

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Q

Innervation of Tibialis Anterior

A

Deep Fibular Nerve (L4,L5)

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Q

Function of Tibialis Anterior

A

Dorsiflexion @ Ankle

Inversion of foot

Dynamic support of medial arch

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Q

Origin of Extensor Hallucis Longus

A

Medial Fibula and Interosseus Membrane

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Q

Insertion of Extensor Hallucis Longus

A

Distal Phalanx of Toe 1

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Q

Innervation of Extensor Hallucis Longus

A

Deep Fibular Nerve (L5-S1)

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Q

Function of Extensor Hallucis Longus

A

Dorsiflexion @ ankle

Extension of Toe 1

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Q

Origin of Extensor Digitorum Longus

A

Medial Fibula and Lateral Tibial Condyle

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Q

Insertion of Extensor Digitorum Longus

A

Middle/Distal Phalanges of Toes 2-5

via dorsal digital expansions

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Q

Innervation of Extensor Digitorum Longus

A

Deep Fibular Nerve (L5-S1)

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Q

Function of Extensor Digitorum Longus

A

Extension of Toes 2-5

Dorsiflexion @ ankle

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Q

Origin of Fibularis Tertius

A

Distal Medial Fibula

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Q

Insertion of Fibularis Tertius

A

Dorsal Base of Metatarsal 5

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Q

Innervation of Fibularis Tertius

A

Deep Fibular Nerve (L5-S1)

Q

Function of Fibularis Tertius

A

Dorsiflexion @ ankle

Eversion of foot