The foot and footwear.
D000843:Ankle Joint / Q000503:physiopathology; D001186:Artificial Limbs; D005528:Foot / Q000503:physiopathology*; D005532:Foot Deformities, Congenital; D006801:Humans; D007595:Joint Prosthesis; D009068:Movement; D009989:Orthotic Devices; D011474:Prosthesis Design; D012775:Shoes