Abstract
The aim of the study is to create and validate a model of the relationship between specialization in leisure activities, the individual's adaptation to the environment and the heart flow experience. In order to clarify the role of the individual's adaptation to the environment in the relationship between specialization in leisure activities and the heart flow experience. The study utilized purposive sampling, cluster sampling, and random sampling. Using questionnaires and interviews to survey 525 cycling enthusiasts. Descriptive analysis, model construction and testing of the constructed path relationships were conducted using SPSS 20.0 and Amos 20.0. The results indicate that the model of the relationship between recovery specialization, individual-environment fit and heart flow experience has a good overall fit. The model shows good reliability and validity. Cyclists' recreational specialization has a statistically significant effect on individual-environment fit (β = 0.38, P < 0.001). The fit between individual and environment has a statistically significant influence on the heart flow experience (β = 0.39, P < 0.001). The fit between individual and environment serves as a mediating variable between recreational specialization and the heart flow experience, with the path showing statistical significance (β = 0.15, P < 0.001). Recreational specialization has a statistically significant effect on the heart flow experience (β = 0.30, P < 0.001). And the overall path of the effects of recreational specialization of cyclists on the fit between individual and environment is (β = 0.45, P < 0.001), with the path showing statistical significance. CONCLUSION: The stronger the recreational specialization of cyclists and the greater the fit between individual and environment, the stronger their heart flow experience. The fit between individual and environment plays a partially mediating role.