OAIN - Foot & Ankle

Question 1

tibialis posterior

Answer 1

O: posterior, proximal tibia and fibula

I: (passes posterior to medial malleolus to insert on) plantar surface of navicular, most tarsals and
metatarsals and the sustentaculum tali of the calcanelus

A: foot inversion (supination)

N: tibial

Question 2

tibilais anterior

Answer 2

O: proximal 2/3 anterior tibia

I: 1st cuneiform and 1st metatarsal

A: ankle dorsiflexion and inversion

N: deep peroneal

Question 3

Flexor Digitorum Longus

Answer 3

O: posterior tibia

I: (passes posterior to medial malleolus to insert on) plantar surface of distal phalanx toes 2-5

A: flexes MTP and IP joints of toes 2-5

N: tibial

Question 4

flexor hallucis longus

Answer 4

O: posterior fibula

I: (passes posterior to medial malleolus to insert on) plantar surface of distal phalanx of hallux

A: flex MTP and IP joints of hallux

N: tibial

Question 5

Extensor Digitorum Longus

Answer 5

Extensor Digitorum Longus

Question 6

Extensor Digitorum Longus

Answer 6

O: anterior middle fibula

I: distal phalanx of hallux

A: extend MTP and IP of hallux

N: deep peroneal