List of Articles rahim shirazinejad Article 1 - The Relationship between Physical Fitness and Cardiac Waves in Volleyball Referees 10.61882/jspac.50856.5.16.62 Saeedeh Zabihi Rahim Shirazinejad Ahmad Torkfar Seyed Ali Hosseini Mehrzad Moghadasi Journal of Sports Physiology and Athletic Conditioning , Issue 16 , Year , Spring 2025 Article 2 - Physical activity improves self-confidence in older adults by strengthening social communication Mohadeseh Basiji Rahim Shirazinejad Ahmad Torkfar Journal of Sports Physiology and Athletic Conditioning , Issue 19 , Year , Winter 2026