With a stocky build packed with muscle, Pitbulls excel at strength sports and weight pulling.
A robust breed with powerful jaws, Rottweilers have thick muscles especially on their neck and chest.
This Italian mastiff has a muscular yet athletic appearance perfect for protection work.
Though stocky, Bulldogs have incredibly strong, heavily muscled bodies despite their smaller size.
Massive and mountainous, Mastiffs like the English Mastiff are extremely muscular gentle giants.
Boxers have compact, ripped frames with bulging front leg muscles giving them powerful punches.
With lean, structured muscle coverage, the Doberman Pinscher has a smooth athletic physique.