Evaluation of a Two-Year Middle-School Physical Education Intervention: M-SPAN

Abstract
MCKENZIE, T. L., J. F. SALLIS, J. J. PROCHASKA, T. L. CONWAY, S. J. MARSHALL, and P. ROSENGARD. Evaluation of a Two-Year Middle-School Physical Education Intervention: M-SPAN. Med. Sci. Sports Exerc., Vol. 36, No. 8, pp. 1382–1388, 2004.Purpose:School physical education (PE) is highly recomm