TF 4 Flashcards
1
Q
How are whips described?
A
by the arc through which the heel moves
2
Q
Lateral whip
A
- heel moves laterally
- too much IR at the hip
3
Q
Medial whip
A
- heel moves medially
- too much ER at the hip
4
Q
Most common cause of whips
A
- incorrect horizontal rotation of the knee axis
- tight socket
5
Q
How does the tight socket cause a whip?
A
affects muscle action during swing phase
6
Q
What problems does medial whip cause?
A
can contact CL ankle and cause pt to stumble
7
Q
foot slap cause
A
- soft posterior (PF) bumper
- pt extends knee too vigorously
8
Q
pimp walk
A
- knee flexes forward too quickly
- lose anterior support
9
Q
long prosthetic leg step: causes
A
- hip flexion contracture on prosthetic side
- can’t get to terminal extension
- other side has to take a step forward
- pt takes longer step to make up time instead of walking slowly
UNABLE TO GET INTO TERMINAL STANCE LIKE THEY’RE SUPPOSED TO!
10
Q
problem with unequal step length
A
takes extra energy
