PTA Physical Therapy Assistant

Category - Equipment and Devices

When assessing a patient’s gait with a trans-tibial prosthesis, what could be the fault in the prosthesis if the patient has excessive knee flexion in the early stance phase?
  1. Low shoe heel
  2. Excessive plantar flexion
  3. Stiff heel cushion
  4. Too far posterior socket
Explanation
Answer: C - Stiff heel cushion could be the fault in the prosthesis if there is an excessive knee flexion in the early stance.

Low shoe heel, excessive plantar flexion, and too far posterior position of socket could result in insufficient knee flexion.
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