CHANGES IN QUALITY OF LIFE, STRENGTH AND HEART RATE VARIABILITY AFTER 4-WEEKS OF SUPERVISED ONLINE BURPEES TRAINING DURING THE COVID-19 QUARANTINE IN HEALTHY YOUNG ADULTS: A PILOT STUDY. Kinesiology. 2022;54(1):116-125. Accessed August 19, 2025. https://ojs.srce.hr/index.php/kinesiology/article/view/17872