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The Relationship Between Self-Determined Motivation and Physical Activity in Adolescent Boys

01 Jul 2013

Abstract: Background: Physical education (PE) lessons and leisure-time represent two important opportunities for adolescents to accumulate moderate-to-vigorous physical activity (MVPA).Purpose: Framed by self-determination theory, this study investigated how much of the observed variation in adolescent boys' MVPA levels (during PE and leisure-time) was explained by individual- and class-level motivation.Methods: Cross-sectional design. Adolescent boys (N = 61, M = 14.36 years, SD = .48 years) completed motivation questionnaires and wore an accelerometer during a PE lesson and across 7 consecutive days.Results: Self-determined motivation toward PE predicted MVPA during PE lessons (R2 = .31). Self-determined motivation toward leisure-time physical activity was positively associated with MVPA during leisure-time (R2 = .08).Conclusions: Findings support the tenets of self-determination theory and suggest that motivation may be an important correlate of adolescent boys' MVPA in PE lessons and during leisure-time. Also, results indicated that teachers' behavior may be an important determinant of MVPA in PE lessons, while individual motivation may be more important in leisure-time.

Date: 
1 July 2013

Click here to view the full article which appeared in Journal of Adolescent Health