Journal of Athletic EnhancementISSN: 2324-9080

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Creating a Reaction Time Tester for Reacting Reflex of the Football Goalkeepers with the Estimated Extrapolation in Average Reaction Time

Introduction: Designing the semi-experimental method to create the reaction time tester for Reacting Reflex of the football Goalkeeper Inventory (RTTGI) was integrated. The RTTGI was assessed by the 7-professional experts: The electronics and wireless engineer, and the football goalkeeper trainers on the quality and potential invention with the content validity, index of Item Objective Congruence (IOC) value, reliability, and objectivity value.

Methodology: Creating the Reaction Time Tester (RTTGI) was assessed the 20-football goalkeepers’ specific on the Thailand Football U-League was a sample size. The RTTGI includes three parts and recording reaction time with a digital test display in two weeks. The GKs’ action speeds were tested by 2 testers of their performances. Using means, standard deviation, simple correlation, and IOC was analyzed.

Results: The efficiency and effectiveness of the RTTGI on the content validity analysis comprises as 89% that over than standardized criteria value at 85% with the IOC, the reliability as 0.88. The 7-professional experts’ perceptions of the appropriateness suitability analysis as Utilization, Possibility, Suitability, and Accuracy scales indicated that of their performances at the very suitable level on all four scales.

Conclusion: A person can have great reaction time that response by the stimulus. Goalkeepers need agility to change the shape or form of their body to make successful saves. They separated the ability to pull off reaction save frequently a good goalkeeper. It's those sharp reflex saves that enable keepers to dent the league table over the course of a season. Full body kinematics were measured in ten elite goalkeepers diving to save high and low balls at both sides of the goal to investigate their starting position, linear and angular momentum, and legs' contribution to end-performance. Coaches need to highlight horizontal lateral skills and exercises with emphasis on pushing-off with the contra-lateral leg, when training and assessing goalkeeper’s physical performance.

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