To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 XROMM animation of the first rib during breathing in an American alligator. Rib kinematics during lung ventilation in the American alligator (Alligator mississippiensis): an XROMM analysis Robert J. Brocklehurst, Sabine Moritz, Jonathan Codd, William I. Sellers, and Elizabeth L. Brainerd Journal of Experimental Biology 2017. 220:3181-3190; doi: 10.1242/jeb.156166 Download Original Video