AUTHOR=Çelikel Baha Engin , Yılmaz Coşkun , Demir Alper , Sezer Süreyya Yonca , Ceylan Levent , Ceylan Tülay , Tan Çetin TITLE=Effects of inspiratory muscle training on 1RM performance and body composition in professional natural bodybuilders JOURNAL=Frontiers in Physiology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2025.1574439 DOI=10.3389/fphys.2025.1574439 ISSN=1664-042X