To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Normal locomotion of control mice. Normal locomotion of Prx1CreTg/+; Tbx3fl/+ mice. Development of a subset of forelimb muscles and their attachment sites requires the ulnar-mammary syndrome gene Tbx3 Mary P. Colasanto, Shai Eyal, Payam Mohassel, Michael Bamshad, Carsten G. Bonnemann, Elazar Zelzer, Anne M. Moon, and Gabrielle Kardon Disease Models and Mechanisms 2016. 9:1257-1269; doi: 10.1242/dmm.025874 Download Original Video