TF 4

Question 1

How are whips described?

Answer 1

by the arc through which the heel moves

Question 2

Lateral whip

Answer 2

• heel moves laterally

- too much IR at the hip

Question 3

Medial whip

Answer 3

• heel moves medially

- too much ER at the hip

Question 4

Most common cause of whips

Answer 4

• incorrect horizontal rotation of the knee axis

- tight socket

Question 5

How does the tight socket cause a whip?

Answer 5

affects muscle action during swing phase

Question 6

What problems does medial whip cause?

Answer 6

can contact CL ankle and cause pt to stumble

Question 7

foot slap cause

Answer 7

• soft posterior (PF) bumper

- pt extends knee too vigorously

Question 8

pimp walk

Answer 8

• knee flexes forward too quickly

- lose anterior support

Question 9

long prosthetic leg step: causes

Answer 9

• 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!

Question 10

problem with unequal step length

Answer 10

takes extra energy