Topic 17 - Tarsal flexors Flashcards

1
Q

The muscles

A

M.tibialis cranialis
M.peroneus longus
M.peroneus brevis
All of them flexes the tarsus, and o. from the lat. side of tibia/fibula. Tibialis cran. goes to t1 and mt1+2, peroneus longus to t4+5 and all mt, and peroneus brevis to mt5.

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2
Q

M.tibialis cranialis

A

O: Cran. margin of lat. condyle and crest of tibia
I: Med. side on os tarsi 1 and Mt.1+2
A: Flexes tarsus

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3
Q

M. peroneus longus

A

Also calles M.fibularis longus
O: Cran. margin of lat. condyle of tibia, head of fibula, lat. collateral lig.
I: First to os tarsi 4+5 on plantar surface, then rxtends to all Mt. plantar base.
A: Flexes tarsus

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4
Q

M.peroneus brevis

A

Also called M.fibularis brevis
O: Lat. on dist. third of fibula (and partly on tibia)
I: Mt.5 base
A: Flexes tarsus

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