Video of an Italian trotter taken under maximum exertion, reported for decline in performance and  intermittent respiratory noise. The video has been reworked and slowed down 4 times to optimally display the movements of the larynx.

Video of an Thoroughbred taken under maximum exertion, reported for a sudden slowdown at the homestretch and  intermittent respiratory noise. The video has been reworked and slowed down 4 times to optimally display the movements.