Clinical indications for AFO prescription

Question 1

Solid ankle AFO

Answer 1

Poor overall balance
Moderate to sever foot abnormality: equines, valgus, varus
Inability to transfer weight onto affected leg in stance
Moderate to severe hypertonicity
instability of the knee.
to improve walking speed and cadence

Question 2

Articulated AFO

Answer 2

Dorsiflexor weakness only- dorsiflexion assist and posterior stop

Where passive and active dorsiflexion ispresent

Where dorsiflexion is needed for sitting and standing.

To control knee flexion instability only- dorsiflexion stop.

to control recurvatum only. - PF stop.

To improve walking speed and cadence.

Coronal plane control is required

Question 3

Posterior leaf spring

Answer 3

isolated dorsiflexor weakness

No significant tone, ML instability, no need for influence on hip or knee.