Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/17

Click to flip

17 Cards in this Set

  • Front
  • Back
Advantages of carbon fiber feet
- stiff
- high weight/strength ratio
Biggest goal of socket design
eliminate pseudoarthrosis between socket and prosthesis; Think of socket interface as a joint
Main weight bearing area on patellar tendon bearing socket desing
* medial tibial flare
4 major categories of reasons for LE amputation
- Peripheral vascular disease 70-80%
- Trauma 20-25%
- Congenital
- Tumor
In transtibial amputation, tibial position in LR
anterior
In transtibial amputation, tibial position in terminal stance
posterior
How do you determine ground force reaction vector
connect center of pressure with just anterior to S1-2
Effect of heel position on knee flexion moment
posterior foot increases knee flexion moment
Effect of heel firmness on knee flexion moment
increased heel firmness increases knee flexion moment
4 common ways to try to deal with skin breakdown over patellar tendon
- move foot posteriorly
- use softer keel
- use shorter foot
- add ankle
Effect of keel firmness on knee extension moment
increased keel firmness increases knee extension moment
In transtibial ampuation varus angulation = socket _____
abducted
What should you assume about prosthetic knees and power
assume that a prosthetic knee has no power
What is the stability reference line?
- substitute for ground force reaction
- line from trochantor, knee, ankle
2 important patient factors in ability of AKA to stabilize knee
* hip extensor strength
- limb length (longer is easier)
The more _____ the knee the more stable
posterior
General energy requirements with more posterior knee
- less energy to stabilize
- more energy to initiate knee flexion