The Dynamic Impact of Physical Education Teacher Support on College Students’ Adherence to Exercise: A Cross-Lagged Study from the Perspective of Self-Determination Theory

PE teacher support exerts a significant longitudinal impact on college students' exercise adherence, primarily through direct effects and the mediating role of self-determined motivation. These findings provide theoretical support for college physical education practices, emphasizing the critical role of teacher support in fulfilling students' basic psychological needs and enhancing exercise adherence. Future research should expand sample sizes and extend tracking periods to comprehensively reveal the dynamic mechanisms among variables.