Migration of motor pool activity in the spinal cord reflects body mechanics in 1 human locomotion 2 3 Germana Cappellini, Yuri P. Ivanenko, Nadia Dominici, Richard E. Poppele, Francesco 4 Lacquaniti 5 6 Laboratory of Neuromotor Physiology, Santa Lucia Foundation, Rome, Italy, Centre of Space 7 Bio-medicine, University of Rome Tor Vergata, Rome, Italy, Department of Neuroscience, 8 University of...