Tibialis Posterior Flashcards

1
Q

Origin

A

Proximal of posterior surface of tibia, fibula, and interosseous membrane

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2
Q

Insertion

A

2-4 metatarsals
Navicular tuberosity
All 3 cuneiforms
Cuboid
Calcaneus
(All tarsals except talas)

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3
Q

Function

A
  • Plantar FLEX of foot at ankle joint
  • Inversion of foot at subtalar joint (prime mover)
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4
Q

Nerve

A

Tibial nerve

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5
Q

Paralysis of this muscle causes

A

Foot drop

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