P&O intro Flashcards by Jeo Santos

a static or dynamic externally applied device use to improve function.

Orthosis

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What are outcomes of orthotics?

Prevent deformity
Correct deformity
WB support
Assist or limit mvmt.
Decrease pain
Improve posture
Immobilize
Provide feedback
Improve cosmoses

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Indications for orthotics

impaired: 
posture
muscle performance
Jt mobility
motor fx
sensory integrity
prophylactic

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resists or directs force

brace

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maintains or attains a position

splint

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Know nomenclature:

FO/AO/KO/HPO/AFO/KAFO

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UE nomenclature:

HO/EO/SO/WHO/SEWHO

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different materials that orthotics come in

thermoplastic
metal
carbo fiber

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Principles of design include

Pressure distribution (f/a)
Length of force arm
Ground reaction force
control degrees of freedom

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3 pt. pressure system shows

2 supports on one side,

one on the other

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how would you set up wc with 3 point pressure system to reverse decorticate posturing?

tilt the wheelchair.

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corrects limb length discrepancies

foot lift

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reduce achilles tendon stress

Heel lift

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redistribute fat pad to improve shock absorbtion (plantar fasciitis)

heel cup

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Reduces WB through metatarsals, Talocrural, and subtler joints

AFO patellar tendon WB

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immobilize ankle jt, rocker bottom, able to adjust, doesn’t unload distal structures

Cam walker

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Greater trim lines in Orthoses used to control

more tone

a long foot plate resists pf __ than a short one

PLS AFO

posterior leaf spring afo

normalized gait to decrease energy expedenture

articulated afo

what do the stops in the articulated afo help control

amt of mvmt in DF or PF

controls tibial advancement and helps maintain knee ext during mid stance.

ground reaction afo

ground reaction afo compensate for

weak pf

KO designed to_____ but really it just ____

prevent re-injury

reduces chances. it’s not as protective as the normal knee. sigh.

for these conditions what does the brace do: Genu valgum gene vacuum unloader braces

- unload WB on lateral compartment - unload WB on medial compartment - use 3pt pressure system to redistribute WB

T-strap orthosis alters

patellar tracking

how does patellar strap work?

decreases strain on patella by decreasing tendon angle

KAFO with WB through ischium does what

unloads proximal tibia and femoral condyles

PF __ extension force at knee

produces

DF __ extension at knee

releases

reciprocal gait orthosis gait pattern?

lean back and walk forward

used to treat reducible developmental hip dysplasia in children less than 6 m/o

pavlik harness

the pavlick harness draws femur into

flexion and and

degenerative disease of the hip causes osteopenia and necrosis of femoral neck

legs-calve perches disease

legs-calve perches disease use which orthosis and what does it do?

scottish rite W/b in abd improves development of femoral head.

what do scottish rite and pavlik harness have in common

abd

a wedge shoe eliminated ____ which is good for _____

forefoot WB Diabetic foot ulcers

when evaluation pt for LE orthosis, you want to see

WB feet, knees, and ankles

how much DF is needed for a jointed AFO

5 degrees

considerations for LE orthosis include

evaluate don/doff education monitor weight