We’ve Been Standing Up for 10 Million Years
© Springer-Verlag Berlin Heidelberg 2016João Luiz Pinheiro-Franco, Alexander R. Vaccaro, Edward C. Benzel and H. Michael Mayer (eds.)Advanced Concepts in Lumbar Degenerative Disk Disease10.1007/978-3-662-47756-4_1 1. We’ve Been Standing Up for 10 Million Years Yves Coppens1, 2 (1) Anthropological…