Received: Accepted: ApPublished: June 5, 2019Ĭopyright: © 2019 Puig-Diví et al. PLoS ONE 14(6):Įditor: Carlos Balsalobre-Fernández, Universidad Autonoma de Madrid, SPAIN Nevertheless, for optimum results an angle of 90° is suggested.Ĭitation: Puig-Diví A, Escalona-Marfil C, Padullés-Riu JM, Busquets A, Padullés-Chando X, Marcos-Ruiz D (2019) Validity and reliability of the Kinovea program in obtaining angles and distances using coordinates in 4 perspectives. The results indicate that the Kinovea software is a valid and reliable tool that is able to measure accurately at distances up to 5 m from the object and at an angle range of 90°–45°. A multiple approach was applied involving the analysis of the systematic error, with a two-way ANOVA 2x4 the relative reliability with Intraclass Correlation Coefficient (ICC) and the Coefficient of Variance (CV) (95% confidence interval) and the absolute reliability with the Standard Error (SE). Each frame was examined by three observers who made two attempts. For this purpose, a wire structure figure in the shape of a human lower limb was designed and measured in AutoCAD it was then recorded during a pendular motion with a video-camera placed at distance of 5 m and analyzed with Kinovea in the 4 perspectives (90°, 75°, 60° and 45°). The main objective of this study is to determine the validity of the Kinovea software compared to AutoCAD, and its intra and inter-rater reliability in obtaining coordinates data a second objective is to compare their results at 4 different perspectives (90°, 75°, 60° and 45°) and to assess the inter and intra rater reliability at each perspective. Although it has been validated as a tool to assess time-related variables, few studies assessed its validity compared to a Gold Standard furthermore, its reliability in different perspectives has not been previously assessed. One interesting tool is that it can measure an object (or person) passing in front of the camera, taking into account the perspective between the camera and the recorded object. This low-cost technology has been used in sports sciences, as well as in the clinical and research fields. Kinovea is a free 2D motion analysis software that can be used to measure kinematic parameters. An objective analysis of the human movement can help both clinical assessment and sports performance.

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