This issue of the Journal of Sport and Exercise Psychology (JSEP) presents the conference program and abstracts from the 2007 North American Society for the Psychology of Sport and Physical Activity conference held June 7-9 in San Diego, California. This supplemental issue covers a variety of topics including motor development, motor learning and control, sport and exercise psychology, and interdisciplinary subjects.

The Journal of Sport and Exercise Psychology (JSEP) specializes in providing the foremost coverage of research on sport and exercise psychology. Whereas most other journals in the subdiscipline focus primarily on applied issues, the JSEP mission gives prominence to theory and theory-grounded research. This highly esteemed journal presents innovative research in all areas of sport and exercise psychology from the leading scholars in the field. Areas of interest include research in social, clinical, developmental, and experimental psychology as well as psychobiology and personality.