Duplicate title to Galis, F., Carrier, D.R., van Alphen, J., van der Mije, S.D., Van Dooren, T.J.M., Metz, J.A.J., & ten Broek, C.M.A. (2014). Fast running restricts evolutionary change of the vertebral column in mammals. Proceedings of the National Academy of Sciences 111 (31) 11401-11406. 10.1073/pnas.1401392111.