Orthotics Assistive Technologies Quiz

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Questions and Answers

What is the purpose of the Heel-to-toe Rocker Sole AFO?

  • To reduce forward propulsion
  • To absorb impact at initial contact and encourage faster rollover (correct)
  • To limit the range of motion at the ankle
  • To increase pressure under the metatarsal heads

Which type of AFO has a significant rocker angle at the toe with little or no angle at the heel?

  • Anterior Shell AFO
  • Posterior Shell AFO
  • Double Rocker
  • Negative Heel Rocker (correct)

What is the main function of an Anterior Shell AFO?

  • Corrects and supports issues around the ankle and foot (correct)
  • Reduces pressure on the midfoot
  • Absorbs impact at initial contact
  • Increases offloading of the forefoot

Which type of AFO has a rigid design and is more focused on ground reaction?

<p>Posterior Shell AFO (D)</p> Signup and view all the answers

What is a common feature of a Double Rocker AFO?

<p>Promotes midfoot offloading (C)</p> Signup and view all the answers

Which type of AFO increases offloading of the forefoot as more weight is shifted to the midfoot and hindfoot?

<p>Negative Heel Rocker (B)</p> Signup and view all the answers

Which knee joint design is specifically designed to promote full knee extension?

<p>Ratchet Lock (B)</p> Signup and view all the answers

Which mechanical-thermoplastic ankle stirrup and cam rod design allows free knee flexion in swing?

<p>Horton Stance Control Orthosis (B)</p> Signup and view all the answers

What feature distinguishes the Swing Phase Lock 2 (Fillauer) from other designs in terms of when it locks and unlocks?

<p>Locks and unlocks based on the sagittal hip joint angle (C)</p> Signup and view all the answers

Which design uses a mechanical block within the joint to prevent motion?

<p>Bale Lock/Paw Lock (C)</p> Signup and view all the answers

What distinguishes the GX Knee (Becker) design from others in terms of functionality during the stance phase?

<p>Provides shock absorption with slight knee flexion in stance (A)</p> Signup and view all the answers

Which design is characterized by being electromechanical?

<p>E-Knee (Becker) (C)</p> Signup and view all the answers

What is the purpose of the anterior shell AFO rigid design?

<p>To control and support the ankle joint (B)</p> Signup and view all the answers

Which condition is the posterior shell rigid AFO primarily designed to treat?

<p>Rocker bottom deformity (A)</p> Signup and view all the answers

What is the main function of a rocker in orthotic devices?

<p>To assist with smooth progression through the gait cycle (C)</p> Signup and view all the answers

When is a custom-molded KO typically used?

<p>When a prefabricated device is not suitable (C)</p> Signup and view all the answers

Which orthosis is specifically designed to prevent the maltracking of patella?

<p>Patellofemoral KO (A)</p> Signup and view all the answers

What is the main function of a hip abduction orthosis like Atlanta/Scottish-Rite?

<p>Limits internal and external rotation of the hip joint (C)</p> Signup and view all the answers

Which orthosis would be suitable for a patient with Legg-Calve-Perthes disease?

<p>Perthes Brace (C)</p> Signup and view all the answers

True or False: The bilateral HKAFO with lumbosacral orthosis attachment is very restrictive and cumbersome.

<p>True (A)</p> Signup and view all the answers

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