Background and Aim: Studies in sport, exercise and physical activity have shown that self-perceived physical fitness is an important predictor of behavior and plays an important role in continuing or stopping physical activity. The purpose of this study was to investigate the relationship between perceived and actual physical fitness in military personnel.        Methods: A total of 77 military...

Introduction: Exercise is one of the lifestyle interventions recommended to reduce liver damage and improve health. The present study aimed to investigate the relationship between physical activity and physical fitness with the liver enzymes of COVID-19 patients. Materials and Methods: Four hundred patients infected with COVID-19 (57.6±14.6, body mass 28.1±4.7 kg/m2) admitted to the Masih Danes...