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Foot Muscles Origins and Insertions Flashcards

(12 cards)

1
Q

Abductor Hallucis

A

O: Medial calcaneus

I: Base of 1st proximal phalanx

A: ABD MTP 1, Flex MTP 1

Inner: Medial plantar nerve

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2
Q

Flexor Hallucis Brevis (med head)

A

O: medial cuneiform

I: Base of 1st proximal phalanx

A: Flex MTP 1

Inner: Medial plantar nerve

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3
Q

Flexor Hallucis Brevis (lat head)

A

O: Intermediate cuneiform

I: Base of 1st proximal phalanx

A: Flex MTP 1

Inner: Lateral plantar nerve

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4
Q

Adductor Hallucis (oblique head)

A

O: Base MT’s 2-4, Cuboid, Lateral cuneiform

I: Base of 1st proximal phalanx

A: Add MTP 1, Flex MTP 1

Inner: Lateral Plantar nerve

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5
Q

Adductor Hallucis (transverse head)

A

O: Deep transverse MT ligament, MTP 3-5

I: Base of 1st proximal phalanx

A: Add MTP 1, Support tranverse arch

Inner: Lateral plantar nerve

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6
Q

Abductor Digiti Minimi

A

O: Lateral calcaneal tuberosity

I: Base of 5th proximal phalanx

A: ABD MTP 5, Flex MTP 5

Inner: Lateral plantar nerve

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7
Q

Flexor Digiti Minimi

A

O: Base of 5th MT

I: Base of 5th proximal phalanx

A: flex MTP 5

Inner: Lateral Plantar Nerve

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8
Q

Flexor Digitorum Brevis

A

O: Calcaneal tuberosity

I: Middle phalanges 2-5

A: Flex MTP 2-5, Flex PIP 2-5

Inner: Medial plantar nerve

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9
Q

Quadratus Plantae

A

O: Calcaneal tuberosity

I: Lateral border of FDL tendon

A: redirects and augments pull of FDL

Inner: Lateral plantar nerve

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10
Q

Lumbricals (1-4)

A

O: Medial border FDL tendons

I: Dorsal aponeuroses 2-5

A: flex MTP 2-5, Ext IP 2-5, ADD, MTP 3-5, Abd MTP 2

Inner: 1st lumbrical (medial plantar n), Lumbricals 2-4 (Lateral plantar nerve)

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11
Q

Plantar Interossei (1-3)

A

O: Medial border of MT 3-5

I: medial base of proximal phalages 3-5

A: ADD MTP 3-5

Inner: Lateral plantar nerve

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12
Q

Dorsal Interossei

A

O: Two heads from opposing sides of MT 1-5

I: First interosseus (medial base of 2nd proximal phalanx), 2-4 interossei (Lateral base of proximal phalanges 2-4)

A: ABD MTP 2-4

Inner: Lateral plantar nerve

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