Orthotics Lab 1: Metal Ankle Foot Orthoses (4/6) Flashcards
are single metal uprights commonly used?
no, almost never
when might single metal uprights be indicated
if the individual is of slight build and there is little to no spasticity
what are the benefits of a double metal upright AFO
provides greater stability and control
when is a double metal upright AFO warranted
when a fair amount of force is necessary to control motion
if the calf band is higher, what happens to leverage
increases
where should the calf band not extend
over the fibular head
why should the calf band not extend over the fibular head
to avoid pressure on the peroneal nerve
why must a steel shank be incorporated into the shoe design
it adds reinforcement to the bottom of the shoe and serves as the anchor for metal uprights
when may a split stirrup be preferred
it allows each side to be detached from the shoe portion
when the split stirrup allows each side to be detached from the shoe portion, what does this allow for
increased ease in donning and doffing and can be interchanged with different shoes
is the split stirrup more or less durable than the solid stirrup
less durable
is the split stirrup lighter or heavier than the solid stirrup
heavier
function of a medial-T strap
used to correct pronation
function of a lateral T-Strap
correct supination
three point pressure system for the medial T-strap (controlling pronation)
primary: originating medially at the medial T-strap projecting laterally
secondary: originating laterally at the lateral portion of the calf band projecting medially
secondary: originating laterally at the lateral portion of the shoe in the area of the 5th methead
