---

Purpose:The purpose of this study was to examine the motives of sport commitment model of continuous participation in the martial art of taekwondo.Method: This study used survey & cross-sectional method. The data is gathered from 135 participants at taekwondo sport city of Yazd.The collection instrument of data was sporting commitment measure revised. Results: Results from the empirical test of the model conducted with taekwondo athletes participating in a sport program showed that the questionnaire items formed reliable scales upper than 0.75. Pearson correlation test demonstrated that predictor variables sport enjoyment, personal investments, social consteriants and involvement opportunities were related to sport commitment of taekwondo as hypothesized. The stepwise regression analysis findings revealed that sport enjoyment in the first place and personal investments in the second place were the dominant predictors of commitment for this sample. Together, these two model components accounted for 56/8 of the sport commitment variance. Conclusion: The results obtained the recognition of sport's commitment scale performance incentives associated with participation in regular exercise has been shown taekwondo.