Table of contents

Original research

• Facilitators and barriers for implementation of a load management intervention in football (22 June, 2021)

  Torstein Dalen-Lorentsen, Andreas Ranvik, John Bjørneboe, Benjamin Clarsen, Thor Einar Andersen
• Bubble concept for sporting tournaments during the COVID-19 pandemic: Football Club World Cup (21 June, 2021)

  Andrew Massey, Sarah Lindsay, Dexter Seow, Jonny Gordon, David J Lowe
• Surveillance testing for SARS-COV-2 infection in an asymptomatic athlete population: a prospective cohort study with 123 362 tests and 23 463 paired RT-PCR/antigen samples (18 June, 2021)

  Kimberly Harmon, Anabelle M de St Maurice, Adam C Brady, Sankar Swaminathan, Doug F Aukerman, Miguel A Rueda, Kim Terrell, Randall P Cohen, Seth C Gamradt, Sunday D Henry, Lindsay M Huston, David R McAllister, Kenneth M McCarty, Anthony N Pass, Stephen R Paul, David J Petron, Stephanie A Kliethermes
• Assessing the risk of SARS-CoV-2 transmission in international professional golf (17 June, 2021)

  Patrick G Robinson, Andrew Murray, Graeme Close, Denis F Kinane
• Low but not high exercise systolic blood pressure is associated with long-term all-cause mortality (8 June, 2021)

  Kristofer Hedman, Leonard A Kaminsky, Ahmad Sabbahi, Ross Arena, Jonathan Myers
• Incidence and prediction of ankle injury risk: a prospective cohort study on 91 contemporary preprofessional dancers (8 June, 2021)

  Adinda K E Mailuhu, Rogier M van Rijn, Janine H Stubbe, Sita M A Bierma-Zeinstra, Marienke van Middelkoop
• Precision exercise medicine: predicting unfavourable status and development in the 20-m shuttle run test performance in adolescence with machine learning (21 May, 2021)

  Laura Joensuu, Ilkka Rautiainen, Sami Äyrämö, Heidi J Syväoja, Jukka-Pekka Kauppi, Urho M Kujala, Tuija H Tammelin
• 3.0 T MRI findings of 104 hips of asymptomatic adults: from non-runners to ultra-distance runners (21 May, 2021)

  Laura Maria Horga, Johann Henckel, Anastasia Fotiadou, Anna Di Laura, Anna Hirschmann, Alister Hart
• Sex differences in postural orientation errors and association with objective and patient-reported function in patients with ACL injury: an exploratory cross-sectional study (19 May, 2021)

  Jenny Nae, Mark W Creaby, Anna Cronström, Eva Ageberg
• Help-seeking behaviours related to mental health symptoms in professional football (17 May, 2021)

  Kaizeen Confectioner, Alan Currie, Nicolle Gabana, Nienke van Gerven, Gino M M J Kerkhoffs, Vincent Gouttebarge
• Influence of a 100-mile ultramarathon on heart rate and heart rate variability (13 May, 2021)

  Christian Paech, Simone Schrieber, Ingo Daehnert, Paul Jürgen Schmidt-Hellinger, Bernd Wolfarth, Jan Wuestenfeld, Thomas Thouet
• Association of the British Athletic Muscle Injury Classification and anatomic location with return to full training and reinjury following hamstring injury in elite football (10 May, 2021)

  Ricky Shamji, Steven L J James, Rajesh Botchu, Kent A Khurniawan, Gurjit Bhogal, Alison Rushton
• Effects of beta-blockers on archery performance, body sway and aiming behaviour (7 May, 2021)

  Emin Ergen, Tahir Hazir, Mesut Celebi, Ayşe Kin-Isler, Serdar Aritan, Volkan Daghan Yaylıoglu, Rustu Guner, Caner Acikada, Alpan Cinemre
• Feasibility randomised controlled trial comparing TRAK-ACL digital rehabilitation intervention plus treatment as usual versus treatment as usual for patients following anterior cruciate ligament reconstruction (6 May, 2021)

  Emma Dunphy, Kate Button, Fiona Hamilton, Jodie Williams, Irena Spasic, Elizabeth Murray
• Implementation of the Activate injury prevention exercise programme in English schoolboy rugby union

  (4 May, 2021)

  Craig Barden, Keith A Stokes, Carly D McKay
• Evaluation of CogSport for acute concussion diagnosis in cricket (22 April, 2021)

  Kira James, Anna E Saw, Richard Saw, Alex Kountouris, John William Orchard
• Head injury assessment in rugby union: clinical judgement guidelines (20 April, 2021)

  Éanna Falvey, Ross Tucker, Gordan Fuller, Martin Raftery