TY - RPRT TI - Ultrasound imaging links soleus muscle neuromechanics and energetics during human walking with elastic ankle exoskeletons AU - Nuckols, R. W. AU - Dick, T. J. M. AU - Beck, O. N. AU - Sawicki, G. S. PY - 2020 DO - 10.1101/2020.01.20.909259 UR - https://www.biorxiv.org/content/10.1101/2020.01.20.909259v1 ID - 10.1101/2020.01.20.909259 ER -