Ankle Joint

Question 1

function of tibia

Answer 1

weight bearing

Question 2

function of fibula

Answer 2

muscle attachment. no weight bearing

Question 3

what type of joint is the inferior tibio-fibular and what is the significance of this?

Answer 3

syndesmosis - good stability, dislocation rare

Question 4

name the tarsal bones from proximal to distal

Answer 4

3 rows (starting medial):
talus & Calcaneus.
Navicular and Cuboid.
3 cuneiforms (medial, inter, lat).

Question 5

what is a march fracture

Answer 5

fracture of 2nd meta-tarsal

Question 6

what is the key bone of the foot

Answer 6

talus

Question 7

what are the joints involving the talus

Answer 7

ankle (talo-crural (talus with fibula)).
subtalar (talocalcaneus).
mid tarsal (talocalcaneonavicular)

Question 8

what is the non talus mid tarsal joint

Answer 8

calcaneocuboid

Question 9

what type of joint is the talocrural joint and what is its movement?

Answer 9

hinge joint. Flexion and extension only (dorsiflexion & plantarflexion)

Question 10

which malleous extends further distLLY?

Answer 10

LATERAL

Question 11

what are the groups of ankle ligaments and which one specifcally is most likely to be damaged? which movement is most likely to do this?

Answer 11

medial “deltoid” ligaments (strong) and lateral collateral ligaments.
The anterior talo-fibular is most likely to be damaged. happens on inversion.

Question 12

what type of joints are the subtalar and talocalconavicular

Answer 12

ball and socket

Question 13

pronation and supination equate to which movements?

Answer 13

eversion and inversion respectively

Question 14

what is inside the sinus tarsi?

Answer 14

interossesous talo-calcaneal ligament.