To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Corn snake performing vertical undulations in lateral view across the force-sensing dowel. Generation of propulsive force via vertical undulations in snakes Derek J. Jurestovsky, Logan R. Usher, and Henry C. Astley Journal of Experimental Biology 2021. 224:None-None; doi: 10.1242/jeb.239020 Download Original Video