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</p> Signup and view all the answers

    What is a common feature of a Double Rocker AFO?

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

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

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

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

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

    Which design is characterized by being electromechanical?

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

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

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

    When is a custom-molded KO typically used?

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

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

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

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

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

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

    <p>True</p> Signup and view all the answers

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