Background and Purpose: Musculoskeletal disorders are of common problems among computer (PC) users. Training of posture reform plays a significant role in the prevention of the emergence, progression and complications of these diseases. The present research was performed to study the effect of the Internet training on the posture reform of the Internet users working in two Iranian universities including Sistan and Baluchestan University and Islamic Azad University of Zahedanin 2014. Materials and Method: This study was a quasi-experimental intervention with control group and conducted in two Iranian universities including Sistan and Baluchestan University and Islamic Azad University of Zahedan. The study was done on 160 PC users in the two groups of intervention (80 people) and control (80 people). Training PowerPoint was sent to the intervention group through the Internet and a post test was given to them after 45 days. Statistical software of SPSS 19 and statistical tests of Kolmogrov, t-test, Fisher Exact test, and correlation coefficient were used for data analysis. Results: After the training, the mean scores of knowledge, attitude, performance and self-efficacy in the intervention group were 24.21 ± 1.34, 38.36 ± 2.89, 7.59 ± 1.16, and 45.06 ± 4.11, respectively (P
Key words: Training, Internet, PC users, Self-efficacy.