Ключевые слова: advanced, amputee, ankle, artificial, calf, close, cover, device, disability, equipment, foot, healthcare, heel, keel, knee, leg, lever, limb, liner, medical, metal, mobility, modern, nature, outdoors, park, plate, prosthetic, prosthetics, pylon, rehabilitation, shank, shell, shin, sleeve, socket, spring, summer, support, suspension, technology, thigh, toe, up, walking,