Equitopia www.EquitopiaCenter.com talks with veterinarians and body workers to explain the phenomenon known as "Topline Syndrome." A horse with a weak, underdeveloped topline can not perform at it's best. Many factors can contribute to a sunken topline: improper training, stall rest, injury, arthritis, kissing spines, poor nutrition even hoof imbalance. Learn to recognize the signs.