Accepted Manuscript A new parameter for quantifying the variability of surface electromyographic signals during gait: the occurrence frequency Francesco Di Nardo, Alessandro Mengarelli, Annachiara Strazza, Valentina Agostini, Marco Knaflitz, Laura Burattini, Sandro Fioretti PII: S1050-6411(16)30300-5 DOI: http://dx.doi.org/10.1016/j.jelekin.2017.06.006 Reference: JJEK 2090 To appear in: Journal of Electromyography and Kinesiology Received Date: 28 November 2016 Revised Date: 23 May 2017 Accepted Date: 29 June 2017 Please cite this article as: F. Di Nardo, A. Mengarelli, A. Strazza, V. Agostini, M. Knaflitz, L. Burattini, S. Fioretti, A new parameter for quantifying the variability of surface electromyographic signals during gait: the occurrence frequency, Journal of Electromyography and Kinesiology (2017), doi: http://dx.doi.org/10.1016/j.jelekin. 2017.06.006 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.