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Flashcards in P&O intro Deck (40)
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1
Q

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

A

Orthosis

2
Q

What are outcomes of orthotics?

A
Prevent deformity
Correct deformity
WB support
Assist or limit mvmt.
Decrease pain
Improve posture
Immobilize
Provide feedback
Improve cosmoses
3
Q

Indications for orthotics

A
impaired: 
posture
muscle performance
Jt mobility
motor fx
sensory integrity
prophylactic
4
Q

resists or directs force

A

brace

5
Q

maintains or attains a position

A

splint

6
Q

Know nomenclature:

FO/AO/KO/HPO/AFO/KAFO

A

..

7
Q

UE nomenclature:

HO/EO/SO/WHO/SEWHO

A

..

8
Q

different materials that orthotics come in

A

thermoplastic
metal
carbo fiber

9
Q

Principles of design include

A

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

10
Q

3 pt. pressure system shows

A

2 supports on one side,

one on the other

11
Q

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

A

tilt the wheelchair.

12
Q

corrects limb length discrepancies

A

foot lift

13
Q

reduce achilles tendon stress

A

Heel lift

14
Q

redistribute fat pad to improve shock absorbtion (plantar fasciitis)

A

heel cup

15
Q

Reduces WB through metatarsals, Talocrural, and subtler joints

A

AFO patellar tendon WB

16
Q

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

A

Cam walker

17
Q

Greater trim lines in Orthoses used to control

A

more tone

18
Q

a long foot plate resists pf __ than a short one

A

more

19
Q

PLS AFO

A

posterior leaf spring afo

20
Q

normalized gait to decrease energy expedenture

A

articulated afo

21
Q

what do the stops in the articulated afo help control

A

amt of mvmt in DF or PF

22
Q

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

A

ground reaction afo

23
Q

ground reaction afo compensate for

A

weak pf

24
Q

KO designed to_____ but really it just ____

A

prevent re-injury

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

25
Q

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

A
  • unload WB on lateral compartment
  • unload WB on medial compartment
  • use 3pt pressure system to redistribute WB
26
Q

T-strap orthosis alters

A

patellar tracking

27
Q

how does patellar strap work?

A

decreases strain on patella by decreasing tendon angle

28
Q

KAFO with WB through ischium does what

A

unloads proximal tibia and femoral condyles

29
Q

PF __ extension force at knee

A

produces

30
Q

DF __ extension at knee

A

releases

31
Q

reciprocal gait orthosis gait pattern?

A

lean back and walk forward

32
Q

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

A

pavlik harness

33
Q

the pavlick harness draws femur into

A

flexion and and

34
Q

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

A

legs-calve perches disease

35
Q

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

A

scottish rite

W/b in abd improves development of femoral head.

36
Q

what do scottish rite and pavlik harness have in common

A

abd

37
Q

a wedge shoe eliminated ____ which is good for _____

A

forefoot WB

Diabetic foot ulcers

38
Q

when evaluation pt for LE orthosis, you want to see

A

WB feet, knees, and ankles

39
Q

how much DF is needed for a jointed AFO

A

5 degrees

40
Q

considerations for LE orthosis include

A

evaluate don/doff
education
monitor weight