AFO 2 Flashcards
SAFO made of
- proximal trim line
- strap
- thick thermoplastic
- foot plate
proximal trim line
- flared out
- doesn’t pinch calf when you sit
Where is the trim line supposed to be?
1-1.5 inches below popliteal space
purpose of thick thermoplastic SAFO
- hold ankle in foot in biomechanically neutral position
- comes around malleoli for increased stability
force and SAFO
dissipated through plastic
SAFO and rockers
- allows toe rocker
- has effect on ankle and heel rockers
SAFO: joint
no joint
What does the anterior floor reaction AFO do?
prevents tibial translation » decreases knee flexion
What does an anterior floor reaction AFO look like?
- shell on anterior portion
- tons of padding (now WB through tibia)
Who would need an anterior floor rxn AFO?
someone with crouch gait
PTB AFO stands for
patellar tendon bearing AFO
PTB AFO aka
clam shell AFO
What does a PTB AFO look like?
- total contact around leg
- snug fit
How does a PTB AFO work?
WB through patellar tendon to offload the ankle
Who would need a PTB AFO?
someone with a distal fx or problem that physician doesn’t want WB through ankle
