The withers are pronounced and muscular. The back is solid, strong, well muscled, taut and straight. The muscles should hide the vertebral spines. The loin is short, broad, tight, muscular, straight or slightly arched. The portion from back to loin is well coupled. The croup is broad and of sufficient length, not to cut off short. It slopes slightly to the tail and is well muscled. The chest is deep and broad with a well developed, well muscled, moderately arched forechest. The sternum should extend as far back as possible. The sternum and the elbow should be at the same level. The ribs are moderately arched with the last ribs carried well back. The underline is elegant, tight, arching towards the rear and slightly tucked up.