The second edition of the popular text Physical Activity and Health was just released by Human Kinetics Publishers. HALO’s Dr. Mark Tremblay was lead author on the new chapter on the science and process of developing physical activity guidelines.
The full citation is M.S. Tremblay and W.L. Haskell. From Science to Physical Activity Guidelines. In C. Bouchard, S.N. Blair and W.L. Haskell (Eds.), Physical Activity and Health, 2nd Edition (Chapter 23). Human Kinetics Publishers.
The text is available for order from Human Kinetics Publishers.