Movement

Alan Rostron of Graecia Bullmastiffs in the United Kingdom explains how a Bullmastiff that is built correctly will be a Bullmastiff that moves correctly.
Correct Dogue movement. Photo by Shirag Patel
Correct Dogue movement. Photo by Shirag Patel
The Dogue de Bordeaux has a very particular gait, the result of its very front-loaded body style.

Carnera della Grotta Azzurra, moving at a pace.
Lions and tigers and bears ... They all pace, a gait in which the legs on one side of the body move in unison. The pace is permitted in only a handful of dog breeds, including the Neapolitan Mastiff.