Persson-Sjodin, E., Hernlund, E., Pfau, T., Haubro Andersen, P., & Rhodin, M. (in press). Influence of seating styles on head and pelvic vertical movement symmetry in horses ridden at trot. PLoS One, 13(4), e0195341. https://doi.org/10.1371/journal.pone.0195341