Figure 2 from The influence of a hydraulic prosthetic ankle on residual limb loading during sloped walking | Semantic Scholar
Endolite North America | oandp.com - Orthotics & Prosthetics Info
Microprocessor knees with 'standing support' and articulating, hydraulic ankles improve balance control and inter-limb loading during quiet standing - Michael McGrath, Piotr Laszczak, Saeed Zahedi, David Moser, 2018