Table 1.

The American Foot and Ankle Society (AOFAS) midfoot scale

Pain (40 points)
None	40
Mild, occasional	30
Moderate, daily	20
Severe, almost always present	0
Function (45 points)
Activity limitations, support
No limitations, no support	10
No limitation of daily activities, limitation of recreational activities, no support	7
Limited daily and recreational activities, cane	4
Severe limitation of daily and recreational activities, walker, crutches, wheelchair	0
Footwear requirements
Fashionable, conventional shoes, no insert required	5
Comfort footwear, shoe insert	3
Modified shoes or brace	0
Maximum walking distance, blocks
Greater than 6	10
4–6	7
1–3	4
Less than 1	0
Walking surfaces
No difficulty on any surface	10
Some difficulty on uneven terrain, stairs, inclines, ladders	5
Severe difficulty on uneven terrain, stairs, inclines, ladders	0
Gait abnormality
None, slight	10
Obvious	5
Marked	0
Alignment (15 points)
Good, plantigrade foot, midfoot well aligned	15
Fair, plantigrade foot, some degree foot midfoot malalignment observed, no symptoms	8
Poor, nonplantigrade foot, severe malalignment, symptoms	0
Total (100 points)