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. 2022 Jan 10;46(3):258–266. doi: 10.1097/PXR.0000000000000079

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Figure 3. — Peak knee external adduction moment (a) peak knee flexion moment (b) vertical ground reaction force (c) and distal shank power (d) during stance phase of gait in the 20 individuals with unilateral transtibial amputation who participated in this study, per sound and prosthetic sides of each prosthetic foot: solid-ankle cushioned-heel (SACH; Kingsley) foot prosthesis; conventional energy storage and return (ESAR; Vari-Flex, Össur, Iceland) foot prosthesis; and novel energy storage and return (N-ESAR) foot prosthesis; Pro-Flex, Össur, Iceland).