title: Walking 2.0.
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology; D006801:Humans; D062069:Inventions; D007866:Leg / Q000033:anatomy & histology / Q000502:physiology; D018482:Muscle, Skeletal / Q000502:physiology; D012641:Selection, Genetic; D012775:Shoes; D016138:Walking / Q000502:physiology*