The Effect of Core Stability, Wall Sit, and Squat Training Programs on Balance and Keumgang Makki Performance of Taekwondo Uny Athletes

This research aims (1) to determine the effect of the core stability, wall sit, and squat training program towards the balance of UNY (Yogyakarta State University) taekwondo athletes, (2) to determine the effect of the core stability, wall sit, and squat training program towards the performance of keumgang makki of UNY taekwondo athletes. This research was an experimental study. The research design was "One Groups Pretest-Posttest Design". The research population was UNY taekwondo athletes. The sampling technique used purposive sampling, with the criteria: (1) taekwondo athletes who were still actively participating in UKM UNY (University Taekwondo Club) training, (2) Poomsae athletes with an age range of 18-22 years old, (3) Poomsae athletes who had learned keumgang moves. Based on the criteria, there were 7 athletes who met the requirements. The balance instrument used the Standing Stork Test and the keumgang makki performance used an assessment from the judge. The data analysis used the t test. The results of the research show that (1) There is a significant effect of the core stability, wall sit, and squat training program towards the balance of Taekwondo athletes at UNY, with t count at 5.490 > t table 2.447, and p-value 0.002 < 0.05. The amount of improvement in balance after being given core stability exercises, wall sits and squats is at 17.90%. (2) There is a significant effect of the core stability, wall sit, and squat training program towards the keumgang makki performance of UNY Taekwondo athletes, with t count at 9.212 > t table 2.447, and p-value 0.000 < 0.05. The magnitude of the increase in keumgang performance after being given core stability, wall sit, and squat training is at 28.46%.