oral exam

Question 1

metal solid ankle conditions

Answer 1

• significantly decreased strength in anterior and posterior musculature
• pain at ankle
• knee buckling
• knee hyperextension
• foot drop

Question 2

metal limited motion conditions

Answer 2

• decreased strength in anterior or posterior musculature - amount of motion allowed impacted by amount of strength
• pain at ankle
• foot drop

Question 3

PF stop conditions

Answer 3

• decreased strength in anterior musculature
• foot drop

Question 4

DF stop conditions

Answer 4

• decreased strength in posterior musculature
• knee buckling

Question 5

DF assist conditions

Answer 5

• decreased anterior musculature strength in the presence of strong posterior musculature strength
• DF weakness

Question 6

PF assist conditions

Answer 6

• decreased posterior musculature strength in the presence of strong anterior musculature strength
• PF weakness

Question 7

free motion conditions

Answer 7

• decreased eversion or inversion strength
• pain at ankle

Question 8

DF stop, PF stop, DF assist conditions

Answer 8

• significantly decreased strength in anterior or posterior musculature
• foot drop
• knee buckling

Question 9

KAFO with solid ankle conditions

Answer 9

significantly decreased/absent strength in anterior and posterior musculature at ankle and knee

Question 10

plastic solid conditions

Answer 10

knee buckling and foot drop

Question 11

plastic rigid conditions

Answer 11

foot drop and knee hyperextension

Question 12

plastic semi-rigid conditions

Answer 12

foot drop and may assist with inversion/eversion

Question 13

plastic flexible/posterior leaf spring

Answer 13

foot drop and maintains neutral foot during swing

Question 14

articulating conditions

Answer 14

foot drop and depending on PF stop may impact knee hyperextension

Question 15

extended toe plate used for

Answer 15

tow clawing or spasticity

Question 16

drop lock

Answer 16

locks automatically at full extension, simple and secure

Question 17

bail lock

Answer 17

• allows knee flexion
• used for bilateral patients, people with dexterity/balance concerns

Question 18

t strap used for

Answer 18

• added to limit hindfoot movement in frontal plane
• inversion/eversion

Question 19

wedge uses

Answer 19

when patient has a PF contracture

Question 20

when to choose a metal orthotic

Answer 20

for interim management, swelling, poor sensation, poor skin quality

Question 21

advantages of plastic orthotic

Answer 21

light weight, improved control through foot

Question 22

solid ankle channels

Answer 22

DF and PF stop
both channels - ball, pin, screw, screw all the way down

Question 23

limited motion channels

Answer 23

both channels - ball, pin, screw
length of pin or how far screw is tightened is dependent on wanted range

Question 24

ex: patient needs 10 deg DF so which channel would you loosen

Answer 24

anterior

Question 25

PF stop channels

Answer 25

- anterior channel: open - posterior channel: ball, pin, screw, screw all the way down

Question 26

DF stop channel

Answer 26

- anterior channel: ball, pin, screw, screw all the way down - posterior channel: open

Question 27

DF assist channels

Answer 27

- anterior channel: open - posterior channel: ball, spring, screw, screw all the way down

Question 28

PF assist channels

Answer 28

- anterior channel: ball, spring, screw, screw all the way down - posterior channel: open

Question 29

free motion channels

Answer 29

both open

Question 30

DF stop, PF stop, DF assist channels

Answer 30

- anterior channel: ball, pin, screw (length of pin or how far screw is tightened is dependent on wanted range - posterior channel: ball, narrow pin, spring, screw, screw all the way down

Question 31

KAFO solid ankle channels

Answer 31

both channels ball, pin, screw screw all the way down

Question 32

plastic solid trimlines

Answer 32

anterior to malleoli

Question 33

plastic rigid trimlines

Answer 33

bisect malleoli

Question 34

plastic semi-rigid trimlines

Answer 34

behind malleoli

Question 35

flexible/posterior leaf spring trimlines

Answer 35

very posterior to malleoli

Question 36

articulating components

Answer 36

free DF, PF stop, DF assist possible

Question 37

solid ankle direct effects on gait

Answer 37

foot clearance and protect calf musculature from sudden stretch

Question 38

limited motion direct effects on gait

Answer 38

foot clearance and protect calf musculature from sudden stretch

Question 39

PF stop direct effects on gait

Answer 39

foot clearance

Question 40

DF stop direct effects on gait

Answer 40

prevents rapid tibial progression as transition from heel strike to midstance therefore prevents overstretching of calf musculature

Question 41

DF assist direct effects on gait

Answer 41

improved foot clearance and eliminates foot slap at heel strike

Question 42

PF assist direct effects on gait

Answer 42

possible assistance for standing balance; possible assistance for foot control for push off

Question 43

free motion direct effects on gait

Answer 43

inversion/eversion control

Question 44

DF stop, PF stop, DF assist direct effects on gait

Answer 44

foot clearance and protect calf musculature from sudden stretch

Question 45

KAFO with solid ankle direct effects on gait

Answer 45

foot clearance and protect calf musculature from sudden stretch

Question 46

solid ankle indirect effects on gait

Answer 46

- prevent knee buckling and hyperextension - decreased compensations at hip by creating better foot clearance

Question 47

limited motion indirect effects on gait

Answer 47

provide knee stability and decreased compensations at hip by creating better foot clearance

Question 48

PF stop indirect effects on gait

Answer 48

- control for knee hyperextension - decreased compensations at hip by creating better foot clearance

Question 49

DF stop indirect effects on gait

Answer 49

control rapid knee flexion after heel strike moving to midstance

Question 50

DF assist indirect effects on gait

Answer 50

decreases compensations at hip by creating better foot clearance

Question 51

PF assist indirect effects on gait

Answer 51

none

Question 52

free motion indirect effects on gait

Answer 52

none

Question 53

DF stop, PF stop, DF assist indirect effects on gait

Answer 53

knee stability and decreased compensations at hip by creating better foot clearance