TY - RPRT TI - Reach-and-hold at a musculoskeletal arm posture is an unstable-equilibrium stabilization problem: the limits of fixed equilibrium-point and impedance controllers AU - Kobayashi, J. PY - 2026 DO - 10.64898/2026.06.15.732510 UR - https://www.biorxiv.org/content/10.64898/2026.06.15.732510v1 ID - 10.64898/2026.06.15.732510 ER -