extensors of the ankle and toes Flashcards

1
Q

tibilialis anterior

A

O: lateral condyle of tibia, lateral surface of tibia, and interosseous membrane
I: medial cuneiform and base of the first metatarsal
F: invert the foot
Dorsiflex the ankle (talocrural joint)

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2
Q

extensor digitorum longus

A

O: lateral condyle of tibia: proximal, anterior shaft of fibula
Interosseous membrane
I: middle and distal phalanges of second through fifth toes
F: Extend the second through fifth toes (metatarsophalangeal and interphalangeal joints)
Dorsiflex the ankle (talocrural joint)
Evert the foot

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3
Q

extensor hallucis longus

A

O: middle, anterior surface of fibula and interosseous membrane
I: distal phalanx of first toe
F: Extend the first toe (metatarsophalangeal and interphalangeal joints)
Dorsiflex the ankle (talocrural joint)
Invert the foot

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