AUTHOR=Grivas Gerasimos V. TITLE=Comparative analysis of combined exercise programs in middle-aged obese males: impact on energy expenditure, body composition, and metabolic rate JOURNAL=Frontiers in Sports and Active Living VOLUME=7 YEAR=2025 URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2025.1533030 DOI=10.3389/fspor.2025.1533030 ISSN=2624-9367