Objective: To explore the relationship and mechanism between college students’ physical exercise and cell phone addiction through the theory of planning behavior, social cognition theory and compensatory network use theory, with an additional consideration of biomechanical aspects. Methods: A total of 900 college students from 4 schools in Guangdong Province were investigated by physical exercise scale, mobile phone addiction index scale, simple coping style scale and simple self-control scale. Conclusion: (1) Physical exercise was negatively associated with mobile phone addiction. (2) Physical exercise has a negative impact on mobile phone addiction through part of the mediation effect of positive coping styles, physical exercise has no significant impact on mobile phone addiction through negative coping styles. (3) Self-control positively regulates the relationship between physical exercise and mobile phone addiction. In other words, college students with higher self-control have stronger negative effects of physical exercise on mobile phone addiction. From a biomechanical perspective, the physical movements during exercise can have an impact on the body's physiological and psychological states. For example, the mechanical stress on muscles and joints during exercise triggers the release of endorphins, which are known to improve mood and reduce stress. This, in turn, may potentially influence the inclination towards mobile phone use. This paper provides a theoretical reference for improving mobile phone addiction by studying the influence mechanism of physical exercise on computer addiction, with the incorporation of biomechanical insights adding a new dimension to understanding this relationship.
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