Hindquarters American Bullystrong and broad, parallel and straight when viewed from behind. They are notable for their developed muscular system (the latter is especially noticeable in the hips of the animal). Should appear in proportion to the forelegs. The hock joint is low and well arched. Deviations are only allowed for American Bully XL. The drooping pasterns are perpendicular to the surface of the earth, turning into rounded paws.