From: Association between subtalar articular surface typing and flat foot deformity: which type is more likely to cause flat foot deformity
No.
Normal
Mild
Moderate
Severe
Type I
143
14
73
54
2
Type II*
61
17
33
11
0
Type III
47
12
23
Type IV**
31
3
19
9
Type V
7
1
4