The Eccentric:Concentric Strength Ratio of Human Skeletal Muscle In Vivo: Meta-analysis of the Influences of Sex, Age, Joint Action, and Velocity.

"data and code availability the extracted data and the code used to analyse that data are available as supplementary materials at the open science framework ( https://osf io/8vt9h/ )."

"Declarations Author contributionsJLN conceived of the idea for the manuscript. JLN conducted the literature search. JS conducted the statistical analysis and developed the tables and figures. JLN wrote the first draft of the manuscript. MDP, KN, and JS read and revised multiple drafts of the original manuscript. All authors read and approval the final version of the manuscript. Conflict of interestJLN and MDP were previously employed at Vitruvian—a company that designs and sells resistance exercise equipment. KN and JS have no conflicts of interest to disclose. FundingOpen Access funding enabled and organized by CAUL and its Member Institutions. Data and code availabilityThe extracted data, and the code used to analyse that data, are available as supplementary materials at the Open Science Framework (https://osf.io/8vt9h/). Conflict of interest JLN and MDP were previously employed at Vitruvian—a company that designs and sells resistance exercise equipment. KN and JS have no conflicts of interest to disclose."

"Funding Open Access funding enabled and organized by CAUL and its Member Institutions."