Joe Piggin’s The Politics of Physical Activity (Routledge) uses critical analysis to challenge accepted truths about physical activity and therefore opens up a pathway to more effective, and more socially just, physical activity policy. We asked Karin Redelius for a review, and she welcomes Piggin’s redefinition of physical activity to include, besides health, values such as hierarchy, status and power. His book should be read by everyone involved in promoting physical activity.