Foot & Ankle

Question 1

Bones of shank

Answer 1

tibia and fibula

Question 2

bones of hindfoot

Answer 2

talus and calcaneus

Question 3

bones of midfoot

Answer 3

navicular, cuboid, 3 cuneiforms
-and their articulations

Question 4

Mitered hinge

Answer 4

results from talocrural and subtalar joint axes
-transverse plane motion of shank(ER/IR) coupled w/ frontal plane motion of foot during gait

Question 5

Midtarsal (Chopart) joint

Answer 5

medial talonavicular joint and lateral calcaneocuboid joint

Question 6

forefoot

Answer 6

medial forefoot
-1st metatarsal and great toe

lateral forefoot
-metatarsals and toes 2-5

Question 7

Muscles of anterior compartment of lower leg

Answer 7

-tibialis anterior
-EHL
-EDL
-fibularis tertius

innervated by deep fibular nerve

Question 8

muscles of lateral compartment of lower leg

Answer 8

-fibularis longus
-fibularis brevis

innervated by superficial fibular nerve

Question 9

muscles of posterior compartment of lower leg

Answer 9

Superficial compartment
-gastroc(medial and lateral)
-soleus

innervated by tibial nerve

deep compartment
-tibialis posterior
-FDL
-FHL
-popliteus

innervated by tibial nerve

Question 10

Dorsal intrinsic foot muscles

Answer 10

-EDB
-EHB
-dorsal interossei

innervated by deep fibular nerve

Question 11

First plantar layer foot muscles

Answer 11

-abductor hallucis
-FDB
-abductor digiti minimi

Question 12

Second plantar layer foot muscles

Answer 12

-quadratus plantae
-4 lumbricals

Question 13

Third plantar layer foot muscles

Answer 13

-ADDuctor hallucis
-FHB
-FDM