List of Articles Handball Open Access Article Abstract Page Full-Text 1 - A Comparative Study of the Occupational Motivation of the Physical Education and Health Staff of the Armed Forces Based on Herzberg Theory Hasan Shabani Seyd Mahmod Mosavi Open Access Article Abstract Page Full-Text 2 - Comparing the Heart Structure and Function of Elite Handball and Karate Athletes with Non-Athletes Reza Ghanimati Mehdi Ghanimati Amineh Taheri Open Access Article Abstract Page Full-Text 3 - Investigating the Sports Health Marketing Strategic Plan in the Handball Federation based on the SWOT Model Mohammad Eskandari Nematullah Nemati Tahereh Bagherpour Open Access Article Abstract Page Full-Text 4 - Effect of Intensity and Volume of Exercise Training on Serum Levels of Ceruloplasmin and Malondialdehyde in Elite Handball Player Girls zahra mehregan Najmeh Rezaeian 10.30495/nssem.2022.697801 Open Access Article Abstract Page Full-Text 5 - Comparison of the Effectiveness of Two Training Programs of Resistance Stretching and Plyometric Resistance on Hypertrophy (TGF-β1) and Muscle Strength in Female Handball Players zahra ahmadinia sareh hasani bahram abedi Mojtaba Khansooz Open Access Article Abstract Page Full-Text 6 - The Effect of Eight Weeks of Resistance Training with a Double and Flat Pyramid Pattern on the Speed, Endurance, Agility and Explosive Power of Untrained Handball Players in the Covid-19 Priya Rashidni Lotfali Bolboli Ebrahim Piri Open Access Article Abstract Page Full-Text 7 - Identifying the Effective Factors (Casual, Intervening, Contextual) on Development of Handball Sport of IRAN Based on the Grounded Theory Approach vali alizadeh javad shahlail Habib Honari gholamreza shabanibahar Open Access Article Abstract Page Full-Text 8 - Studying the use of Artificial Intelligence Algorithms and Management Support in Improving the Quality of Handball Refereeing Qasi Hossein Hemadi Alvazni alireza zamani nukaabadi