Fig. 2From: Stiffness modification of two ankle-foot orthosis types to optimize gait in individuals with non-spastic calf muscle weakness – a proof-of-concept studyExample of the two types of ankle-foot orthosesLeft: the dorsal-leaf-spring ankle-foot-orthosis, and right: the spring-hinged ankle-foot-orthosis, both with their five interchangeable springs with different degrees of stiffness.Back to article page