11.2 Trans-tibial 1

Question 1

Which type of socket is preferred these days?

Answer 1

TSB

Question 2

Why might a PTB socket be uncomfortable for a pt?

Answer 2

increased pressure over load-bearing areas

• medial tibial flare
• patellar tendon

Question 3

Benefit to a TSB socket

Answer 3

able to distribute pressure more widely

Question 4

Generally, the more components weight, the ______ they cost

Answer 4

less

Question 5

What is the skin-socket interface?

Answer 5

What is between the skin and hard wall of the socket

Question 6

What are some options for the skin-socket interface?

Answer 6

• socks
• shrinker
• nylon
• soft insert
• gel

Question 7

What is the most important thing to consider with socks?

Answer 7

ply

Question 8

ply =

Answer 8

thickness of a sock

Question 9

more ply =

Answer 9

more cushion

Question 10

What is a nylon?

Answer 10

looks like a shrinker, but not as thick

Question 11

Soft inserts provide some

Answer 11

cushion

Question 12

What is the most preferred interface?

Answer 12

gel

Question 13

Where does a sleeve go?

Answer 13

Goes on the outside to hold the prosthesis on

Question 14

Knee position in bench alignment

Answer 14

slight flexion

Question 15

Why does the knee need to be in slight flexion for bench alignment?

Answer 15

• elongates quads so they are able to better accept full weight of the body
• better length-tension relationship
• aids in shock absorption during loading response

Question 16

Pylon/foot position for bench alignment

Answer 16

pylon/foot oriented perpendicular to ground