Muscles of the Feet Flashcards

1
Q

Extensor Digitorum Brevis

A

O : Dorsal surface of the calcaneus
I : Lateral side of the extensor digitorum longus muscle of toes 2-4 via the dorsal digital expansion into the middle and distal phalanges
A : Extend toes 2-4 at the metatarsophalangeal, proximal interphalangeal and distal interphalangeal joints

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2
Q

Extensor Hallucis Brevis

A

O : Dorsal surface of the calcaneus
I : Dorsal surface of the base of the proximal phalanx of the 1st toe
A : Extends the 1st toe at the metatarsophalangeal joint

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3
Q

Abductor Hallucis

A

O : Tuberosity of the calcaneus, flexor retinaculum and plantar aponeurosis
I : Proximal phalanx of the 1st toe
A : Extends the 1st toe at the metatarsophalangeal joint

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4
Q

Abductor Digiti Minimi Pedis

A

O : Tuberosity of calcaneus and plantar aponeurosis
I : Lateral plantar side of the base of the proximal phalanx of the 5th
A : Abducts the 5th toe at the metatarsophalangeal joint

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5
Q

Flexor Digitorum Brevis

A

O : Tuberosity of calcaneus and the plantar aponeurosis
I : Medial and lateral sides of the middle phalanges of toes 2-5
A : Flex middle phalanges of toes 2-5

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