Muscle Chart: Foot/Ankle Flashcards by Matthew Shihab | Brainscape

Q

Extensor Hallucis Brevis

Origin

Insertion

Action

Innervation

A

Origin:
-Dorsal Surface Calcaneus

Insertion:
-Base of 1st Proximal Phalanx

Action:
-EXT MTP 1

Innervation:
-Deep Fibular Nerve

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Q

Abductor Hallucis

Origin

Insertion

Action

Innervation

A

Origin:
-Medical calcaneus

Insertion:
-Base of 1st Proximal Phalanx

Action:

Abduct MTP 1
Flex MTP 1

Innervation:
-Medial Plantar Nerve

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Q

Flexor Hallucis Brevis (Medial Head)

Origin

Insertion

Action

Innervation

A

Origin:
-Medial Cuneiform

Insertion:
-Base of 1st proximal Phalanx

Action:
-Flex MTP 1

Innervation:
-Medial Plantar Nerve

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Q

Flexor Hallucis Brevis (Lateral Head)

Origin

Insertion

Action

Innervation

A

Origin:
-Intermediate Cuneiform

Insertion:
-Base of 1st Proximal Phalanx

Action:
-Flex MTP 1

Innervation:
-Lateral Plantar Nerve

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Q

Adductor Hallucis Oblique Head

Origin

Insertion

Action

Innervation

A

Origin:
-Base of MT’s-2-4

Insertion:
-Base of 1st Proximal Phalanx

Action:

Add MTP 1
Flex MTP 1

Innervation:
-Lateral Plantar Nerve

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Q

Adductor Hallucis Transverse Head

Origin

Insertion

Action

Innervation

A

Origin:
-Deep Transverse MT Ligament MTP 3-5

Insertion:
-Base of 1st proximal Phalanx

Action:

Add MTP 1
Support Transverse arch

Innervation:
-Lateral Plantar Nerve

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Q

Abductor Digiti Minimi

Origin

Insertion

Action

Innervation

A

Origin:
-Lateral Calcaneal Tuberosity

Insertion:
-Base of 5th Proximal Phalanx

Action:

ABD MTP 5
Flex MTP 5

Innervation:
-Lateral Plantar Nerve

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Q

Flexor Digitorum Brevis

Origin

Insertion

Action

Innervation

A

Origin:
-Calcaneal Tuberosity

Insertion:
-Middle Phalanges 2-5

Action:

Flex MTP 2-5
Flex PIP 2-5

Innervation:
-Medial Plantar Nerve

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Q

Quadratus Plantae

Origin

Insertion

Action

Innervation

A

Origin:
-Calcaneal Tuberosity

Insertion:
-Lateral Border of FDL tendon

Action:
-Redirects and augments pull of FDL

Innervation:
-Lateral Plantar Nerve

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Q

Lumbricles 1-4

Origin

Insertion

Action

Innervation

A

Origin:
-Medial Border FDL tendons

Insertion:
-Dorsal Aponeuroses 2-5

Action:

Flex MTP 2-5
Ext IP 2-5
ADD MTP 3-5
ABD MTP 2

Innervation:

1st Lumbrical—Medial Plantar Nerve
2-4 Lumbrical—Lateral Plantar Nerve

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Q

Plantar Interossei 1-3

Origin

Insertion

Action

Innervation

A

Origin:
-Medial Border of MT 3-5

Insertion:
-Medial base of Proximal Phalanges 3-5

Action:
-ADD MTP 3-5

Innervation:
-Lateral Plantar Nerve

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Q

Dorsal Interossei (1-4)

Origin

Insertion

Action

Innervation

A

Origin:
-2 heads from Opposing sides of MT 1-5

Insertion:

First Interosseous: Medial Base of 2nd Proximal Phalanx
2-4 Interossei: Lateral base of Proximal phalanges 2-4

Action:
-ABD MTP 2-4

Innervation:
-Lateral Plantar Nerve

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Q

Extensor Digitorum Brevis

Origin

Insertion

Action

Innervation

A

Origin:
-Dorsal Surface Cancaneus

Insertion:
-Base of Middle Phalange 2-4

Action:

EXT MTP 2-4
EXT Proximal Interphalangeal (PIP) 2-4

Innervation:
-Deep Fibular Nerve

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