TY - RPRT TI - Hip retraction enhances walking stability on a ramp: an equilibrium point hypothesis-based study AU - Bahramian, A. AU - Shamsi, E. AU - Towhidkhah, F. AU - Jafari, S. PY - 2019 DO - 10.1101/638635 UR - https://www.biorxiv.org/content/10.1101/638635v1 ID - 10.1101/638635 ER -