ArticleFrontiers in psychology2025
Online Fitness Content as a behavioral catalyst: extending the Theory of Planned Behavior to unmask time-dependent effects on resistance training engagement.
Article in Frontiers in psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Resistance training plays a vital role in promoting physical and mental health among university students. However, approximately three-quarters of students globally fail to meet recommended guidelines, with a significant intention-behavior gap persisting. Based on an extended Theory of Planned Behavior (TPB) framework, this study aimed to examine the dual-chain mediating effects of Online Fitness Content (OFC) on students' resistance training behavior through Planning (PL) and Positive Emotion (PE), and to test the suppressing effect of Consumption Time (CT). Method: A stratified random sampling method was administered to 356 college students (60.39% male, 39.61% female) regularly engaged in resistance training across 17 Chinese universities. Structural Equation Modeling (AMOS 20.0) was employed to analyze the chain mediation pathways, with multi-group comparisons testing the moderating effect of CT. Results: The core TPB variables (attitude, subjective norm, perceived behavioral control) significantly predicted intention (path coefficients: 0.265-0.494, Discussion: The study demonstrates that OFC serves as an effective digital mediator in bridging the intention-behavior gap in university students' resistance training, but its efficacy exhibits a critical threshold (30 minutes/day). Future health communication should optimize content distribution strategies and implement CT control mechanisms to achieve sustainable behavior change.
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