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Total records found : 3
Simplified search suggestions : Doewes Rumi Iqbal
12021
article
Review of descriptive and inferential statistical of football kick biomechanics journals
Rumi Iqbal Doewes
Introduction: The importance of a statistical analysis approach in biomechanics is because researchers need an objective and accurate method to analyze and draw conclusions. The research purpose was reviewed the use of statistics in biomechanics research on football kick. Material and methods: The research was used qualitative methods and based on documentary analysis methodology with sample of 37 journals. Each journal was analyzed and then compared with a descriptive percentage. Result: The reviews results shown that 27 journals (73%) used mean and SD analysis, 3 journals (8%) used 95% of confidence interval analysis, 1 journal (3%) used narrative analysis, 7 journals (19%) used paired t-test analysis, 5 journals (14%) used the analysis unpaired t-test, 16 journals (43%) used the ANOVA analysis, 4 journals (11%) used regression analysis, 1 journals (3%) used Kendall Tau?s correlation analysis, 1 journals (3 %) used Mann Whitney analysis, and 1 journal (3%) used Friedman & Wilcoxon an.....

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22021
article
RUMI DOPING application development as anti-doping information media for Indonesian national paralympic comittee athletes
Doewes, Rumi Iqbal
Introduction: Doping is an invisible cheating act in a match; therefore, it is necessary to provide an anti-doping understanding to overcome doping behavior in a competition. The research purpose was to produce a product in the Rumi Doping application as a medium for anti-doping understanding in Indonesian NPC athletes. Methods: This research used R&D with the Agile Sprint planning model, which consists of (1) planning (planning for the preparation of software components); (2) developing (start software development); (3) testing (software testing); (4) delivering (present the software product); and (5) assessing (assess and provide feedback on the products that have been made). Data were collected by observation, interviews, and questionnaires. The testing stage used experts? product validation, and the assessment stage used product users (Indonesian National Paralympic Committee athletes). Aiken V Coefficient for validity testing and descriptive percentages to measure user ratings in .....

426 hits

32023
article
Mathematical models of free kick and penalty in soccer
Doewes, Rumi Iqbal
This paper presents a mathematical model for free kick and penalty in Soccer. The modeling is done by assuming the ball moves inside the air fluid and takes into account the influence of the direction, speed, rotation, and the elevation angle of the ball with the ground, and gravitational acceleration of aerodynamic forces such as drag force and Magnus force. The results of this modeling can explain physically how a player can do a very spectacular free kick, the ball soars high over the posse and suddenly dips towards the goal. Moreover, if the player gets the optimal value of the components, goals can be scored from these shots. 2023, Taru Publications. All rights reserved...

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