The Impact of Coach Autonomy Support on Athlete Engagement and Burnout

Athletes’ investment is not only a lasting, positive cognitive and emotional experience in sports, but also an important indicator to measure the positive aspect of athletes, which can effectively avoid psychological fatigue in athletes. Therefore, it is particularly important to explore the influencing factors of the athletes’ investment and to explore the ways to improve the athletes’ investment, and for them to give full play to their sports skills steadily in sports training and competition. Results: Three hypotheses presented in this study are supported. Coach autonomy support significantly positively predicts athlete engagement level; Instructor self-support significantly negatively predicted athlete psychological fatigue. Significantly negative athlete engagement predicted athlete mental fatigue.