1. School-based interventions modestly increase physical activity and cardiorespiratory fitness but are least effective for youth who need them most: an individual participant pooled analysis of 20 controlled trials. Issue 13 (13th January 2021) Authors: Hartwig, Timothy Bryan; Sanders, Taren; Vasconcellos, Diego; Noetel, Michael; Parker, Philip D; Lubans, David Revalds; Andrade, Susana; Ávila-García, Manuel; Bartholomew, John; Belton, Sarahjane; Brooks, Naomi E; Bugge, Anna; Cavero-Redondo, Iván; Christiansen, Lars Breum; Cohen, Kristen; Copping... Journal: British journal of sports medicine Issue: Volume 55:Issue 13(2021) Page Start: 721 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗