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Table 2 Spring stiffness k in N•m•deg− 1 (mean (SD))

From: Stiffness modification of two ankle-foot orthosis types to optimize gait in individuals with non-spastic calf muscle weakness – a proof-of-concept study

  DLS-AFO SH-AFO
k1 (most compliant) 0.9 (0.1) 0.05 (0.00)
k2 (moderately compliant) 1.4 (0.2) 0.3 (0.04)
k3 (medium stiff) 2.7 (0.2) 0.8 (0.1)
k4 (moderately stiff) 5.7 (0.2) 1.4 (0.3)
k5 (stiffest) 7.2 (0.1) 2.2 (0.4)
  1. Abbreviations: DLS-AFO: dorsal-leaf-spring ankle-foot-orthosis, SH-AFO: spring-hinged ankle-foot-orthosis