AFO

Question 1

Foot plate

Answer 1

• generic or custom molded geometry
• extends to MT heads or full length to tips of shoes

Question 2

Stirrup

Answer 2

metal attachment riveted to the sold of the shoes
- split stitrups allow for shoe interchange
- solid stirrups are fixed permanently into the shoe and provide for max stability

Question 3

hinged/articulating AFO

Answer 3

single axis of rotation, allows motion in sagittal plane while controlling motion in other planes

Question 4

free motion

Answer 4

little or no resistance to PF or DF
- helps maintain alignment and M/L stability

Question 5

DF assist

Answer 5

• dynamic DF assist, primarily for weak DF
• limited resistance to PF
• assist toe clearance during swing phase and help control PF on initial contact
• Ex: posterior lead spring or carbon fiber ADO

Question 6

PF stop

Answer 6

• blocks PF motion, typically at 90 degrees
• allowed free DF for weak DF or tight PF

Question 7

DF stop

Answer 7

blocks DF motion
- allows free PF motion
- indicated for people with weak PFs

Question 8

static or solid ankle AFO

Answer 8

provides maximum stability and control of ankle, ankle positioning in a preferred alignment
- assist swing clearance and prepositioning
- leather lacer is example

Question 9

ground reaction AFO

Answer 9

• controls forward progression of tibia, primarily for PF weakness
• anterior shell with WBing capabilities, shel transfers force to medial tibial flare, patellar tendon bar - like prosthetic socket

Question 10

CROW Boot

Answer 10

immobilizes and protects the foot and ankle with rocker bottom and custom molded insert
- alternative to total contact casting in DM
- eliminates shear forces on plantar surface