Aims: Physical activity and exercise are factors in the evolution of physical and mental deficiencies of veterans and disabled people. Strengthening and supporting the sports activities of veterans and disabled people in order to provide their health, mental well-being and physical rehab is one of the most important educational goals of veterans and disabled people. The purpose of this study was to investigate the correlation of the benefits and obstacles of participation in motor and physical activities with the participation of veterans in these activities.Instrument & Methods: In this applied and cross-sectional descriptive-correlational study in 2016, 353 veterans of Ardabil province were selected by multi-stage cluster sampling.Data collection was done using 3 instruments; demographic information, obstacles to sports participation and benefits of sports participation questionnaires. Data were analyzed by SPSS 21 software using Spearman correlation coefficient, Regression and Friedman tests.Findings: There was a positive and significant correlation between all aspects of the obstacles to participation in sports with the lack of sports participation and all aspects of the benefits of sports participation with sport participation (p<0.01). In total, 29% of the obstacles’ variance in terms of devotees’ lack of participation and 33% variance in the benefit of the variance of sport participation were explained (p=0.001). The psychological benefits, with a mean score of 3.23, had the most impact on participation in sports activities, and financial obstacles and facilities with an average score of 3.98, had the greatest impact on the lack of participation of devotees in sports activities (p=0.001).Conclusion: Increasing the benefits of sports participation, especially the psychological benefits, as well as the removal of obstacles to participation, especially financial obstacles and facilities, will increase the participation of veterans in motor and sport activities.