American Staffordshire Terrier headmedium length, but very voluminous and wide. The skull is practically flat, wide between the ears, almost square in shape. The occipital protuberance is poorly expressed. The transition from the muzzle to the slightly arched forehead is clearly visible. The muzzle is of medium length, the ratio to the length of the skull is 1: 1. The chewing, buccal, and parietal muscles are prominent, dense.