The Bulldog has a heavily muscled, stocky build perfect for strength and power.
Pitbulls are extremely muscular, with a strong, athletic physique ideal for agility and weight pulling.
Boxers are robust and muscular but maintain an elegant appearance and agile movements.
Mastiffs like the Bullmastiff have heavily muscled, massive frames that convey extreme power and strength.
With its sleek yet rippling muscles, the Doberman has great strength, speed, and endurance.
Rottweilers are ruggedly built dogs bred for hard work, with very muscular hindquarters and a broad chest.
This African breed is athletic and agile, with defined musculature perfect for running and hunting.