International Olympic Committee consensus statement on youth athletic development.

Address: Youth Sports of the Americas, Birmingham, Alabama, USA Lemak Sports Medicine, Birmingham, Alabama, USA.; Department of Family Medicine, Michael G DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada IOC Medical Commission-Games Group.; Children's Health and Exercise Research Centre, St Luke's Campus, University of Exeter, Exeter, UK.; Physical Education & Sports Science, National Institute of Education, Nanyang Technological University, Singapore.; Queen's University, School of Kinesiology and Health Studies, Kingston, Ontario, Canada.; Alberta Children's Hospital Research Institute for Child and Maternal Health Pediatrics and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.; Department of Health & Exercise Science, The College of New Jersey, Ewing, New Jersey, USA.; Hallway Consulting, Los Olivos, California, USA.; Institut für Epidemiologie, Biostatistik und Prävention, Gruppe Children, Physical Activity and Health (CHIPAH), Universität Zürich, Switzerland.; International Gymnastics Federation (FIG), Paris, France.; University of Texas at Austin, Austin, Texas, USA Tarleton State University, Stephenville, Texas, USA.; Department of Coaching and Psychology, Norwegian School of Sport Sciences, Oslo, Norway.; International Basketball Federation (FIBA), Switzerland.; Medical & Scientific Department, International Olympic Committee, Lausanne, Switzerland.; Department of Sports Medicine, Norwegian School of Sports Sciences, Oslo, Norway.; Department of Public & Occupational Health and EMGO+ Institute, VU University Medical Center Amsterdam, Amsterdam, The Netherlands School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, Australia Division of Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa.; Athlete Pathways and Development, Australian Institute of Sport, Bruce, Australia.; Medical & Scientific Department, International Olympic Committee, Lausanne, Switzerland Orthopaedic Center, Ullevaal University Hospital, Oslo, Norway.