A little difficult to say, but from what I can tell from that shot alone she would be somewhat sickle-hocked in the back.
Nice shoulder, good, short back so far, hindquarters appear ok in that photo.
Can't accurately judge the front legs but appears to be not a bad looking horse
"If a horse fails to do something that is because he was not trained to do it. If a horse fails to do something properly that is because he was not trained properly." www.wildestheartart.com