EXAM 3: Week 2

Question 1

Transtibial Gait Characteristics

Answer 1

• shorter stance phase on prosthetic
• longer step length on prosthetic side
• slower velocity
• slower gait speed
• shorter stride length
• asymmetrical gait
• increase energy consumption

Question 2

how much does the knee flex w TT gait

Answer 2

6-10 degrees
(18 normal)

Question 3

TT amputee LR

Answer 3

foot flat- bc reduced PF

Question 4

TT amputee MS

Answer 4

ankle DR is half of normal!!

trendelenburg
wide BOS

Question 5

TT amputee TS

Answer 5

no push off

Question 6

Prosthetic issues causing FOOT SLAP

Answer 6

• too soft heel cushion, plantar stop
• too short heel levers

Question 7

Prosthetic cause for IR ER of foot

Answer 7

• stiff heel cushion
• stiff pf bumper
• socket loose in swing
• too much/too little toe in

Question 8

Prosthetic cause for Excessive knee flexion

Answer 8

• too hard heel cushion
• socket too ant to foot which increases flexion moment
• socket set in too much flexion
• prosthesis too long
• suspension too loose
• foot in DF

Question 8

Prosthetic cause for varus valgus

Answer 8

• varus = inset foot, lateral leaning components
• valgus = outset foot, medial leaning components

Question 9

leaning away from prosthetic

Answer 9

• weak hip ABD on intact limb
• weak flexor or hamstrung on prothetic side
• prosthetic too long

Question 10

Medial and Lateral Whip

Answer 10

medial - ER socket
lateral - IR socket