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Flashcards in Orthotics Deck (30)
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1

What single axis KAFO is used for patients with genu recurvatum, and why?

Free motion knee joint has a stop to prevent hyperextension

2

What do you add to a dual channel ankle joint for plantar spasticity

Posterior pin

3

What does adding a footplate to a knee immobilizer?

Decreases rotational instability of the knee

4

What do you add to a dual channel ankle joint for toe drag

Posterior pin

5

Advantage of thermoplastic orthoses

Can be molded and remolded by heating

6

2 main reasons why knee orthoses are prescribed

1. Prevent genu recurvatum
2. Provide mediolateral stability

7

Which plastic AFO trim line is used with someone with high level of spasticity

Rigid plastic AFO

8

Which type of knee orthosis is prescribed for protection and management of sports injuries, such as ACL injuries?

Lenox-Hill derotation orthosis

9

Dorsiflexion creates knee flexion moment at what part of gait cycle?

After heel strike

10

2 main types of KAFOs

Single axis or polycentric KAFO

11

What do you add to a dual channel ankle joint for weak knee extensors?

Anterior pin

12

What do you add to a dual channel ankle joint for flaccid foot drop

Posterior spring

13

What do you add to a dual channel ankle joint for weak plantarflexors

Anterior pin

14

Which plastic AFO trim line is used for someone with flaccid foot drop

Posterior leaf spring AFO

15

What single axis KAFO is used for patients with severe obesity and quadriceps weakness?

KAFO with double metal uprights and posterior offset knee joint

16

3 trim line designs for plastic AFOs

1. Posterior leaf spring
2. Semirigid plastic AFO
3. Rigid plastic AFO

17

In a reciprocal gait orthosis, how is forward stepping achieved?

Active hip flexion
Lower abdominal extension
Trunk extension

18

What do you add to a dual channel ankle joint to limit plantarflexion?

Posterior pin

19

What do you add to a dual channel ankle joint for knee hyperextension?

Posterior spring

20

What does adding a spring or a pin in a single channel ankle joint do?

Spring assists in dorsiflexion.
Pin limits plantar flexion.

21

Which type of knee orthosis is prescribed to control knee hyperextension/genu recurvatum

Swedish knee cage

22

What do you add to a dual channel ankle joint to assist dorsiflexion

Posterior spring

23

What do you add to a dual channel ankle joint to limit dorsiflexion

Anterior pin

24

Which plastic AFO trim line is used for someone with foot drop with some extensor tone and/or mediolateral instability of the ankle

Semirigid plastic AFO

25

Line of gravity in relation to hip joint, knee joint and ankle joint

Posterior to hip, anterior to ankle, anterior to knee

26

What type of orthosis is a bilateral HKAFO that paraplegics may use to ambulate?

Reciprocal gait orthosis

27

What orthosis is used in a paraplegic that can provide unsupported standing

Scott-Craig orthosis

28

Which plastic AFO trim line is used for someone with Charcot joint

Rigid plastic AFO

29

Plantar flexion creates knee extension moment at what parts of gait cycle?

Midstance to toe off

30

Line of gravity in relation to cervical, thoracic and lumbar vertebrae

Behind cervical, in front of thoracic, behind lumbar