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The purpose of the study was to assess changes in multidimensional physical self-concept (PSC) over time of novice obese female runners participating in a 10-week running intervention. Multidimensional Physical Self-Concept was assessed at pre- and postintervention times and 3 months postintervention. A repeated measures MANOVA was significant, F (2, 7) = 8.82, p < .05. Follow-up tests indicated that 4 of the 9 PSCs significantly changed from Time 1 to Time 2 (p < .05) in the expected directions for physical activity (t = -2.45; h2 = 1.0), body fat (t = Ò3.21; h2 = 0.78), endurance (t = -3.75; h2 = 0.90), and general physical (t = -2.36; h2 = 0.99) self-concepts and these positive changes were maintained 3 months later at Time 3. We found that a 10-week running program appeared to produce positive changes in physical self-concept. Importantly, these positive changes were sustained for 3 months past the end of the intervention. These findings suggest that women running programs may be a viable way to increase physical self-concept, and sustain such positive changes in months following.
Byrd and Martin are with Kinesiology, Health, and Sport Studies, Wayne State University, Detroit, MI. Hew-Butler is with Exercise Science, Oakland University, Auburn Hills, Michigan.