Effects of inspiratory muscle training on 1RM performance and body composition in professional natural bodybuilders - Çelikel, Baha Engin; Yılmaz, Coşkun; Demir, Alper; Sezer, Süreyya Yonca; Ceylan, Levent; Ceylan, Tülay; Tan, Çetin (Frontiers in Physiology, 2025)