Photo: Anne M. Eberhardt/The HorseLongeing horses is a common practice among trainers and owners in a variety of equestrian disciplines. It is often used when starting a young horse under saddle or advancing his training before beginning ridden work. However, its important to consider the biomechanics of how a horse turns when longeing and the practices effects on a young horses joint development. Charlie Barton, BVetMed, MS, Dipl. ACVS-LA, postdoctoral fellow at Colorado State University, in Fort Collins, describes the potential concerns associated with longeing a young horse and how owners and trainers can mitigate these risks in this excerpt from Ask TheHorse LiveThis podcast is an excerpt of ourAsk TheHorse Live Q&A, Caring for Young Horse Joints. Listen to thefull recording here.About the Expert: Charlotte Barton, BVetMed, MS, Dipl. ACVS-LACharlotte Barton, BVetMed, MS, Dipl. ACVS-LA, earned her veterinary degree from the Royal Veterinary College in London and, after completing two internships in the U.S., undertook a surgery residency at Colorado State University, in Fort Collins. After residency Barton stayed on at CSU as a postdoctoral fellow and her research interests include cartilage repair techniques and gene therapy.