Next to colic, according to University of California at Davis School of Veterinary Medicine, horse owners report that their biggest worry is injury to their horses’ ligaments or tendons. The booklet, “Suspensory Ligament Injury in Horses,” published by UC Davis Center for Equine Health, describes suspensory ligaments, how they are injured and how they heal. It is available online at http://www.vetmed.ucdavis.edu/