Leg, limb or appendage of an animal, used to support the body, provide locomotion, and, in modified form, assist in capturing and eating prey (as in spiders and insects). In four-limbed vertebrates all four appendages are commonly called legs, but in bipedal animals only the lower two are so called.
Athletic Foot Injuries: Background, Epidemiology, Functional Anatomy
Athletic foot injuries can be difficult to properly diagnose and treat. Bearing the weight of the entire body, the foot is under tremendous stress.