Abstract
"Hight jump is a very important skill in the modern volleyball game. The height of the vertical detachment can be measured in a variety of ways, from the most sophisticated (jumping platform, jumping mats) to those available to all (Sargent test, and Vertec). Through this study we followed the comparative analysis of an alternative method for measuring detachment on the spot, using the G-Vert device, with a device known and currently used by several federations for measuring vertical detachment. Following the application of the Counter-movement jump Test (CMJ) or Static Vertical Test (SVT) and Approach Vertical Test (AVT), the values obtained were recorded, analyzed, and compared using the Microsoft Xcel and IBM SPSS statistical processing and analysis programs. The results of the analysis show small differences between them, which attests to the G-Vert device, as a reliable device for measuring vertical detachment. The G-Vert device, in addition to the ability to record vertical detachment, gives us information about the gravitational force that is exerted on the body during the jump, and the force with which the detachment is performed on the spot, information that can be obtained by the jumping platform. Keywords: G-Vert, high jump, measurements, tests."
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