Fatigue Index: means the rate at which power output declines for an athlete, which can provide information about the athlete's anaerobic capacity. This study aims to better understand the physical performance and fatigue index of athletes in Swadaya Bhayangkara volleyball after a match. This study analyzes the effects of acute fatigue from a mock match on physical performance variables among volleyball players. The research method is descriptive by observing, testing, and measuring, where the subjects are ten male…

The purpose of this study was to determine and see the value of the fatigue index in student football athletes after playing a match for 45 minutes in the first halfs. This study used a quantitative descriptive method with 22 sample. The instrument used in this study is the Running-based Anaerobic Sprint Test (RAST), which is a test carried out by sprinting with a distance of 35 meters for 6 repetitions and a 10 second rest interval for each repetition performed by the athlete. The test results showed that from 22…

This study aimed to analyze and demonstrate the influence of coaches’ behavior on the motivation and performance of athletes. This correlational descriptive study utilized the Structural Equation Model (SEM) approach through the smart PLS analysis application. The study comprised a sample of 121 athletes from various individual and group sports. The behavior of coaches’, in general, encompasses five variables: mental skill, coaching style, character building, nutrition knowledge, and coaching science. Motivation c…

This study aims to create innovation through validity and reliability tests in the form of modification of dynamic balance test to meet the needs of karate athletes in kata category. The sample as a validation test was 11 experts from certified lecturers and coaches. Then, the sample as a reliability test was 50 male athletes with 10.5±8.3 years of karate training experience and 8.3±5.2 years of experience in the kata category, and 50 female athletes with 8.7±9.6 years of karate training experience and 7.7±8.4 yea…

This study aims to analyse the self-confidence of wheelchair basketball, tennis, badminton, and archery athletes. This study uses a moderated regression analysis (MRA) approach, namely performance in training as independent variable, self-confidence as a dependent variable, and coach-athlete intimacy as a moderator. Sampling was done using total sampling at the open tournament championship. The wheelchair athletes involved were 20 basketball athletes, 15 tennis athletes, 15 badminton athletes, and 15 archery athle…