Research Article

Central Tendon-Splitting Approach and Double Row Suturing for the Treatment of Insertional Achilles Tendinopathy

Table 1

The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot scale.

AOFAS Ankle Hindfoot Scalescore

pain
none40
Mild, occasional30
Moderate, common10
Serious, continuous0
Functional and autonomous activities and support
 Unlimited, no need support10
Daily activities are not limited, recreational activities are limited, handrails are required7
 Daily and recreational activities are limited, requiring handrails4
Daily and recreational activities are severely restricted and need support cars, aides, wheelchairs, stents0
Walking distance (number of blocks)
>65
4-64
1-32
<10
Ground walk
No difficulty on any ground5
Difficulties in walking uneven floors, stairs, slopes, and ladders3
Difficult to walk unevenly on the ground, stairs, slopes, and ladders0
Abnormal gait
None, slight8
obvious4
Significant0
Activities (flexion and extension)
Normal or mildly restricted (>30°)8
Moderately restricted (15°-29°)4
Severely restricted (<15°)0
Hind foot activity (inversion and eversion)
Normal or mildly restricted (75%-100% normal)6
Moderately restricted (25% -74% normal)3
Severely limited (<25%)0
Ankle-hind foot stability (front, back, varus - valgus)
stable8
Obvious instability0
Foot alignment
Excellent: foot, ankle-hind foot alignment normal10
Good::foot, ankle-hind foot alignment obviously angulation, asymptomatic5
Bad: Severely disordered, symptomatic0

Excellent: 90-100; good:75-89; acceptable:50-74; bad: below 50.