Table 1 The 26 landmarks used to define the regions of interest.

From: Visualization and quantification of the degenerative pattern of the distal tibia and fibula in unilateral varus ankle osteoarthritis

 

Definitions

1

Midpoint of the medial concavity of the medial malleolus

2

Most anterior point on the medial apophysis of the medial malleolus

3

Most posterior point on the medial apophysis of the medial malleolus

4

Centroid of the articular surface of the medial malleolus

5

Most inferior point on the anterior colliculus of the medial malleolus

6

Most inferior point on the posterior colliculus of the medial malleolus

7

Most medial point on the anterior apophysis of the distal tibia

8

Most lateral point on the anterior apophysis of the distal tibia

9

Most anterior point on the medial margin of the plafond

10

Midpoint on the medial margin of the plafond

11

Most posterior point on the medial margin of the plafond

12

Midpoint of the anterior margin of the plafond

13

Centroid of the plafond

14

Midpoint of the posterior margin of the plafond

15

Most anterior point on the lateral margin of the plafond

16

Midpoint on the lateral margin of the plafond

17

Most posterior point on the lateral margin of the plafond

18

Midpoint on the anterior border of the lateral malleolus

19

Most inferior point on the anterior border of the lateral malleolus

20

Tip of the lateral malleolus

21

Centroid of the articular surface of the lateral malleolus

22

Most posterior point on the digital fossa of the lateral malleolus

23

Most anterior point on the distal tibiofibular articular surface of the tibia

24

Most posterior point on the distal tibiofibular articular surface of the tibia

25

Most anterior point on the distal tibiofibular articular surface of the fibula

26

Most posterior point on the distal tibiofibular articular surface of the fibula