List of Articles Physical activity Open Access Article Abstract Page Full-Text 1 - Robust Human Physical Activity Recognition Using Smartphone Sensors Mahdi Yazdian Dehkordi Zahra Abedi Nasim Khani Open Access Article Abstract Page Full-Text 2 - A Systematic Review and Meta-Analysis on the Influence of Exercise-Induced Oxidative Stress on the Pathogenesis of Infectious Diseases Daniel Tarmast Open Access Article Abstract Page Full-Text 3 - Physical activity improves self-confidence in older adults by strengthening social communication Mohadeseh Basiji Rahim Shirazinejad Ahmad Torkfar