The forelegs should be straight and strong and the hindquarters moderately angulated with well turned stifles.
I pressed myself flat on the sledge until whoosh -- The wolf leaped over me and sank its jaws Into my horse's hindquarters.
He was not a big dog, but was very compact and had super hindquarters, a lovely pale coat and was very glamorous.
In many cases, slightly raising the hindquarters is all that is necessary.
They look immensely strong and yet are well-balanced with unhurried, steady and smooth movement which is driven by powerful hindquarters.