What is the most likely cause of lateral heel movement at toe-off in a patient with an above-knee amputation?
Understand the Problem
The question is asking about the most probable cause of lateral heel movement (instability) during the toe-off phase of gait in an above-knee amputee. Understanding potential causes involves considering factors related to prosthetic alignment, socket fit, and patient-related issues.
Answer
Excessive valgus moment in the prosthetic knee or alignment issues.
A likely cause of lateral heel movement at toe-off in a patient with an above-knee amputation is excessive valgus moment in the prosthetic knee. This could be related to alignment issues within the prosthesis, such as incorrect angulation or socket fitting.
Answer for screen readers
A likely cause of lateral heel movement at toe-off in a patient with an above-knee amputation is excessive valgus moment in the prosthetic knee. This could be related to alignment issues within the prosthesis, such as incorrect angulation or socket fitting.
More Information
Gait deviations in individuals with prosthetics often stem from improper alignment, which impacts the biomechanics during walking. Prosthetists focus on correct fitting and adjustments to address such issues.
Tips
A common mistake is overlooking the alignment of the prosthetic components, such as the socket or the knee joint, which significantly affects gait and balance.
Sources
- Gait Deviations in Individuals with Lower Limb Amputations - physio-pedia.com
- 14: Analysis of Amputee Gait | O&P Virtual Library - oandplibrary.org
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