Topic 18 - Digital extensors of the hindlimb Flashcards

1
Q

The muscles

A

M.extensor digitorum longus
M.extensor digitorum lateralis
M.extensor digiti 1. (hallucis) longus

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2
Q

M.extensor digitorum longus

A

O: Fossa extensoria on lat. condyle of femur
I: Proc. ext. of dist. phalanx of digits 2-5
A: Ext. joints of these digits and flexes tarsus

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3
Q

M.extensor digitorum lateralis

A

O: Prox. third of fibula
I: Unites with tendon om m.ext.dig.longus to reach dist. ph. of digit 5
A: Ext. and abduct digit 5

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4
Q

M.extensor digiti 1. (hallucis) longus

A

O: Middle third of fibula
I: Radiates into fascia over metotarsophalangeal joint of digit 2
A: Ext. digit 2 (and digit 1. if it´s present)

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