Fryc, Dobrochna, Katarzyna Jochymczyk-Woźniak, and Robert Michnik. “Work and Power in Hip Flexion Resistance Training”. Acta Kinesiologica 18, no. 2 (July 5, 2024): 7–12. Accessed April 22, 2026. https://akinesiologica.com/ojs_3.3.0-7/index.php/akinesiologica/article/view/234.