Examination Practice Questions And

Illinois Registered Orthotist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which material is commonly used for custom thermoplastic orthoses

due to its low weight and moldability?

• Stainless steel
• Polypropylene
• Aluminum
• Carbon fiber

Rationale: Polypropylene is lightweight, easily heated and molded,

making it ideal for custom orthoses.

• What is the primary goal of a spinal orthosis for scoliosis?
• Pain relief only 1 / 4

• Prevent curve progression
• Improve cardiovascular function
• Strengthen abdominal muscles

Rationale: Scoliosis orthoses aim primarily to prevent progression of

the spinal curve during growth.

• A patient with drop foot may benefit from which orthosis?
• Knee immobilizer
• Ankle-foot orthosis (AFO)
• Corset
• Hand splint

Rationale: AFOs support the ankle and prevent foot drop during gait.

• Which type of gait is typically seen in someone with cerebral palsy

using a knee-ankle-foot orthosis?

• Steppage gait
• Trendelenburg gait
• Crouch gait
• Antalgic gait

Rationale: Children with spastic cerebral palsy often present with

crouch gait; KAFOs may assist in stability.

• The biomechanical principle of a three-point pressure system in

orthoses is to:

• Increase mobility
• Control or correct deformity 2 / 4

• Reduce skin breakdown
• Facilitate strengthening

Rationale: Three-point pressure systems apply forces at three points

to control or correct alignment.

• For which condition is a Milwaukee brace typically prescribed?
• Ankle instability
• Scoliosis
• Carpal tunnel syndrome
• Knee osteoarthritis

Rationale: The Milwaukee brace is a full-torso brace used historically

for scoliosis correction.

• Which component of a prosthetic foot allows energy return during

gait?

• SACH heel
• Dynamic response foot
• Metal pylon
• Leather socket

Rationale: Dynamic response feet store and release energy to assist

with push-off during walking.

• Which factor is most critical when measuring a patient for a custom

orthosis?

• Skin color
• Accurate limb dimensions 3 / 4

• Hair distribution
• Shoe brand

Rationale: Accurate measurements ensure proper fit, comfort, and

function of the orthosis.

• What is the main purpose of a knee orthosis with a posterior offset

hinge?

• Increase hip motion
• Prevent hyperextension
• Correct foot drop
• Stabilize the shoulder

Rationale: Posterior offset hinges in KAFOs prevent genu recurvatum

by controlling knee extension.

• Which material is most commonly used for rigid lower limb

orthoses?

• Carbon fiber
• Thermoplastic polypropylene
• Aluminum
• Steel

Rationale: Thermoplastic polypropylene is strong, lightweight, and

easily molded for rigid orthoses.

• Which type of orthosis is used for scoliosis curves less than 25

degrees in an adolescent?

• TLSO
• / 4