orthotics design

Question 1

dorsiflexion stop aka

Answer 1

rod in anterior chamber

Question 2

rod in anterior chamber assists?

Answer 2

weak ankle PF and even control knee in presence of weak quads

Question 3

dorsiflexion stop puts the GRF where?

Answer 3

restraint of tiibial progression places vertical ground forces
anterior to the knee thus producing external knee extension moment

Question 4

dorsiflexion assist aka

Answer 4

spring in posterior chamber

Question 5

what is the purpose of a dorsiflexion assist?

Answer 5

bring ankle joint through dorsiflexion during swing phase and allows PF ROM at the loading response

Question 6

does a dorsiflexion assist stabilize or destabilize the knee?

Answer 6

destabilize the knee

Question 7

plantar flexion stop aka

Answer 7

rod in posterior chamber

Question 8

what does a plantar flexion stop assist with?

Answer 8

clearing toes during the swing phase due to inadequate ankle DF strength, limits ankle PF range

Question 9

in a three-point force system, the corrective force is located where?

Answer 9

convex side of the joint of interest

Question 10

pros for posterior leaf spring?

Answer 10

flexible, doesn’t affect heel rocker
provides an ankle rocker for push off
holds in neutral when coming off ground

Question 11

cons for posterior leaf spring?

Answer 11

needs ankle stability to use
not for sever tone
dosnt control of grade PF at heel strike

Question 12

foot morphology theory

Answer 12

focuses on subtalar joint neutral position

Question 13

sagittal plance facilitiation theory

Answer 13

ankle equines and functional hallux limitus

Question 14

what is the gold standard for making of orthotics?

Answer 14

plaster cast