POAT Midterm QUESTIONS & ANSWERS GUARANTEED A+ (All Q’s) 2024

POAT Midterm QUESTIONS & ANSWERS GUARANTEED A+ (All Q’s) 2024 what is an orthosis? - ANSWER- an externally applied device to a part of the body to correct deformity, improve function or relieve symptoms of a disease Purposes for orthotic prescription: - ANSWER- -Improve performance of functional activities -Improve mobility -Deformity prevention -Correction of deformity -Immobilization/Control/Protection -Regulating or reducing muscle tone -Stabilizing weak/flaccid muscles When does someone need a temporary orthoses? - ANSWER- -Short term uses: healing, function/training aid, contracture prevention -Usually a generic fit, less costly When does someone need a definitive orthoses? - ANSWER- -When the patient is mechanically and physiologically stable and permanent benefit is needed -Usually custom fit, more costly (fixed/dynamic) deformities cannot be passively corrected - ANSWER- fixed (fixed/dynamic) deformities result from over-activity of muscle tendon groups but when at rest are passively correctable - ANSWER- dynamic -- can also develop in adjacent joints in response to coupling effects of deformities above or below What are the 2 correction control systems utilized by LE orthoses? - ANSWER- GRF control system 3-point pressure control system What kind of lever system do orthoses generally act in? - ANSWER- first class lever When considering levers and contact areas on an orthosis, what type of lever and contact creates the smallest local skin pressure? - ANSWER- Long levers + large contact How does knee valgus affect GRF? - ANSWER- Creates a larger adduction moment -- use knee unloader brace to reduce this (true/false) ACL brace is a 3 point control system - ANSWER- false- 4 point -Posterior femur -Anterior femur (proximal) -Posterior tibia -Anterior tibia (proximal) What is an orthotic material that lasts forever? - ANSWER- stainless steel What is "shore durometer"? - ANSWER- A measurement of a material's hardness or ability to resist permanent indentation Range 35-60 durometer for a running shoe What else should we consider in orthotics? - ANSWER- 1. Sensitivity of skin and underlying tissues 2. Ventilation, skin maceration, hyg