Table of contents

Original research

• Clinical patterns, recovery time and prolonged impact of COVID-19 illness in international athletes: the UK experience (2 August, 2021) Free

  James H Hull, Moses Wootten, Moiz Moghal, Neil Heron, Rhodri Martin, Emil S Walsted, Anita Biswas, Mike Loosemore, Niall Elliott, Craig Ranson
• Body checking in non-elite adolescent ice hockey leagues: it is never too late for policy change aiming to protect the health of adolescents (20 May, 2021) Free

  Carolyn A Emery, Paul Eliason, Jean-Michel Galarneau, Vineetha Warriyar, Luz Palacios-Derflingher, Amanda Marie Black, Maciek Krolikowski, Nicole Spencer, Stacy Sick, Stacy Kozak, Kathryn J Schneider, Shelina Babul, Martin Mrazik, Constance Lebrun, Claude Goulet, Alison Macpherson, Brent E Hagel
• Injury and illness epidemiology in professional Asian football: lower general incidence and burden but higher ACL and hamstring injury burden compared with Europe (5 January, 2021)

  Montassar Tabben, Cristiano Eirale, Gurcharan Singh, Abdulaziz Al-Kuwari, Jan Ekstrand, Hakim Chalabi, Roald Bahr, Karim Chamari
• ACL reconstruction for all is not cost-effective after acute ACL rupture (18 March, 2021)

  Vincent Eggerding, Max Reijman, Duncan Edward Meuffels, Eline van Es, Ewoud van Arkel, Igor van den Brand, Joost van Linge, Jacco Zijl, Sita MA Bierma-Zeinstra, Marc Koopmanschap
• Youth ice hockey COVID-19 protocols and prevention of sport-related transmission (19 August, 2021)

  Allison Krug, Richard Appleby, Robert Pizzini, Tracy Beth Høeg
• Injuries in elite women’s ski jumping: a cohort study following three International Ski Federation (FIS) World Cup seasons from 2017–2018 to 2019–2020 (10 December, 2021)

  Oleane Marthea Rebne Stenseth, Sindre Fløtlien Barli, R Kyle Martin, Lars Engebretsen