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Table 1 The four stiffness conditions and their values for each spring set were measured by mechanical testing from Boutwell et al. [23]

From: Reducing stiffness of shock-absorbing pylon amplifies prosthesis energy loss and redistributes joint mechanical work during walking

Stiffness condition SOFT (kNm−1) MED (kNm−1) NORM (kNm−1) RIGID (kNm−1) Average mass (kg)
Spring set 1 68.2 89.3 111.8 3556.9 71.9 ± 5.04
Spring set 2 85.6 111.8 153.8 3556.9 99.1 ± 19.1