The Path of Promotion on Teenagers’ Physical Exercise and Health-Related Well-Being:Based onSelf-determination Theory Model

Based on the self-determination theory and combined with the localization research orientation,this paper carries on sampling investigation on 664 teenagers by using perceived autonomy support:sport climate questionnaire,the basic psychological needs in exercise scale,behavioral regulations in exercise questionnaire(BREQ-2),Godin leisure-time exercise questionnaire and subjective vitality scales.By these scales,we are trying to build the construction of motivation path model of teenager physical exercise and health-related well-being.The result shows that 1) autonomy support and the three basic psychological needs can promote physical exercise and subjective vitality,the role of each psychological need is different,autonomy need is the strongest predictor of physical exercise,while competence need is strongest predictor of subjective vitality.2) In general,the higher the degree of autonomy behavior regulation(identified regulation and intrinsic regulation),the stronger positively predictor of physical exercise and the subjective vitality,the strongest predictor in terms of physical exercise is identified regulation while in subjective vitality is the intrinsic regulation.3) Structural equation model fitting results support the modified mediator model,i.e.autonomy support can directly predict subjective vitality.It can also indirectly predict physical exercise and the subjective vitality by adopting basic psychological need,self-determination motivation and basic psychological need ×self-determination motivation,the biggest mediation effect is basic psychological needs.4) Physical education teachers should improve autonomy support level in order to satisfy their basic psychological needs,led to the formation of the autonomous motivation.Finally,they can promote the teenager to carry on physical exercise,and then the teenager gain their health-related well-being.