What are the core components of a standard SACH foot?
Answer
A wooden or plastic keel encased in foam rubber
The standard SACH foot is built upon a rigid foundation consisting of a wooden or plastic keel. This keel is then encased within a block of foam rubber that provides the necessary shape and minimal cushioning. This specific construction creates a stable, lever-like movement pattern that is ideal for walking on flat surfaces where minimal ankle flexibility is needed, but it lacks the adaptability required for more challenging outdoor terrain.
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