Improving Fitness Levels of Teenagers Online Game Addicts with High Intensity Interval Training

Abstract

Teenagers addicted to online games tend to have low fitness levels. The most effective exercise to increase fitness levels is High-Intensity Interval Training (HIIT) because it is carried out in a short time, is flexible, and causes less injury to the musculoskeletal system. HIIT is a cardiorespiratory exercise that uses aerobic principles to increase fitness levels, especially at the maximum volume of oxygen (VO2max). This study aims to determine the effect of High-Intensity Interval Training on the fitness level of teenagers who are addicted to online games. This research is quantitative research that uses the Pre-Experimental Design type one group pretest-posttest. The sampling technique used is purposive sampling with the number of respondents as many as 25 people. The instrumen used in this research is the Harvard step test. The High-Intensity Interval Training intervention was conducted in 8 sessions for 4 weeks. The data analysis method used is the paired samples t-test. Research respondents based on age were dominated by the late adolescent category (52%), based on the BMI classification dominated by the normal category (60%). The results of the paired samples t-test test obtained sig. 0.000 which means the value of sig. <0.05, it can be concluded that the High-Intensity Interval Training (HIIT) intervention has an effect on the fitness level of teenagers who are addicted to online games.