ABSTRACT Objective To perform a systematic literature review and meta-analysis to investigate the reliability of The International Fitness Scale questionnaire for assessing overall physical fitness and related components. Methods PubMed®, BIREME, SciELO, EMBASE, SPORTDiscus, LILACS and Cochrane databases were searched using the following search terms: “The International Fitness Scale”, “International Fitness Scale” and “IFIS”. Article selection and data extraction were performed according to the following eligibility criteria: reliability and/or validity study of the measure tools of The International Fitness Scale; […]
