MacKechnie-Guire, R, MacKechnie-Guire, E, Fairfax, V, Fisher, D, Fisher, M, Pfau, T, "The Effect of Tree Width on Thoracolumbar and Limb Kinematics, Saddle Pressure Distribution, and Thoracolumbar Dimensions in Sports Horses in Trot and Canter", Animals, 2019