The lower thigh is long, strongly and broadly muscled, sinewy. They have powerfully muscled tails and large hind legs with long narrow hind feet. The hind limbs are heavily muscled and strong. They have robust bodies, strongly muscled with long legs and a short back. The back is short, and hindquarters are strongly muscled, with a long and well-muscled croup. The feet and legs are clean and heavily muscled. The upper thigh is moderately long, broad and strongly muscled. Standardbreds tend to be more muscled and longer bodied than the Thoroughbred. The chest should be broad, deep, and well muscled. Liston's arms are massively muscled, the left jab is more than a jab. It was generally a robust and heavily muscled animal. The overall appearance is long, sturdy and well muscled. He muscled the Tide to another win, with pure brute force. It is well muscled and less bulky than most other Mastiff breeds. The mantle wall is heavily muscled and internal.