Flashcards in Knee Units Deck (17)
What K ambulator is polycentric knee good for?
Which knee unit adapts to changing conditions and prevents falls?
What K ambulator is manual locking knee used in?
What patient population can stance control knees not be used in
Bilateral AKA because knees won't bend with loading, which means you can't bend both knees at the same time in a patient with AKA.
Which knee unit is good for those with variable cadence
Pneumatic/hydraulic knee units
Which knee unit is the most stable?
Manual locking knee
What kind of gait phase control do hydraulic knees provide?
Swing or swing and stance phase control
Which knee unit uses a braking mechanism that prevents further knee flexion when weight is applied
Stance control knee
What is the disadvantage of manual locking knee?
You have to walk with the knee straight.
What K ambulator is hydraulic/pneumatic knee for?
Stance control knee provides stable stance for up to how many degrees of flexion
20 degrees of knee flexion
Which knee unit has a mobile center of rotation and more than 1 axis of rotation
Single axis knees are used for what K ambulator?
What activities do stance control knees not allow you to do?
Activities that require knee motion under weight bearing, sucking as going downstairs
Which knee unit has only a single walking speed
Single axis knee
What do single axis knees rely on for stability?
Alignment and voluntary control