How does the Jaipur Foot differ from the SACH foot regarding ankle movement?
Answer
It offers multi-axial movement
The Jaipur Foot is uniquely designed to permit multi-axial movement, allowing the foot to rotate and flex in multiple directions. This design allows the prosthetic to adapt its shape to the terrain, which is essential when traversing rocky or irregular ground. In contrast, the SACH foot has a locked ankle joint that forces the user to rely on a lever effect, which is predictable on flat ground but ineffective and potentially unstable when the ground surface changes unpredictably.
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