Pengaruh Latihan Circuit Training terhadap Daya Tahan Aerobik Pemain Sepak Bola SSB Perkasa Usia 12-15 Trenggalek

This research was motivated by several players in the implementation of football at SSB Perkasa Trenggalek, there was still a lack of aerobic endurance of players which caused players to tire easily and made the ability of players' skills to decrease. This study aims to determine how much aerobic endurance is in the SSB Perkasa Trenggalek soccer game. This type of research is an experimental quantitative approach with the design of "The One Group Pretest Posttest Design". The research population was SSB Perkasa Trenggalek players, aged 12-15 years, totaling 15 people using a popursive sampling technique where the sample was taken based on predetermined criteria, and took a sample of 10 players. This research uses experimental research instruments, and uses parametric statistical infrecial data analysis. The implementation of data collection using a 12-minute run copper test by circling the field route with a distance of 400 meters to get the final score. The data analysis technique used t test analysis which had previously been tested for normality and homogeneity test. Based on the results of the study, it showed that there was a significant effect of Circuit Training on the aerobic endurance of SSB Perkasa Trenggalek players aged 12-15 years, with a t-count value of 8.363 > ttable 2.306, and a significance value of 0.000