TY - CONF T1 - Heart rate variability analysis during muscle fatigue due to prolonged isometric contraction T2 - Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS Y1 - 2017 A1 - A. Guidi A1 - A. Greco A1 - F. Felici A1 - A. Leo A1 - E. Ricciardi A1 - M. Bianchi A1 - A. Bicchi A1 - G. Valenza A1 - E. P. Scilingo JF - Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS ER -