Tibialis Posterior Flashcards
1
Q
Origin
A
Proximal of posterior surface of tibia, fibula, and interosseous membrane
2
Q
Insertion
A
2-4 metatarsals
Navicular tuberosity
All 3 cuneiforms
Cuboid
Calcaneus
(All tarsals except talas)
3
Q
Function
A
- Plantar FLEX of foot at ankle joint
- Inversion of foot at subtalar joint (prime mover)
4
Q
Nerve
A
Tibial nerve
5
Q
Paralysis of this muscle causes
A
Foot drop