In early 2020, the coronavirus SARS-CoV-2 spread throughout the world, causing a pandemic that dramatically affected our everyday activities. To contain the transmission rate, governments implemented numerous preventive measures, including social distancing and the wearing of face masks. Recent
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Impact of Face Masks on Exercise Capacity and Lactate Thresholds in Healthy Young Adults
Wolf-Stephan Rudi, Florian Maier, Dominik Schüttler, Antonia Kellnar, Anna Katharina Strüven, Wolfgang Hamm, and Stefan Brunner
Effects of COVID-19 Lockdown and a Subsequent Retraining Period on Elite Athletes’ Workload, Performance, and Autonomic Responses: A Case Series
Pedro L. Valenzuela, Fernando Rivas, and Guillermo Sánchez-Martínez
Purpose: To describe the effects of COVID-19 lockdown and a subsequent retraining on the training workloads, autonomic responses, and performance of a group of elite athletes. Methods: The training workloads and heart rate variability (assessed through the log-transformed root mean square of successive R–R intervals) of 7 elite badminton players were registered daily during 4 weeks of normal training (baseline), 7 to 10 weeks of lockdown, and 6 to 8 weeks of retraining. Physical performance was assessed at baseline and after each phase by means of a countermovement jump and the estimated squat 1-repetition maximum. Results: A reduction in training workloads was observed in all participants during the lockdown (−63.7%), which was accompanied by a reduced heart rate variability in all but one participant (−2.0%). A significant reduction was also observed for countermovement jump (−6.5%) and 1-repetition maximum performance (−11.5%), which decreased in all but one participant after the lockdown. However, after the retraining phase, all measures returned to similar values to those found at baseline. At the individual level, there were divergent responses, as exemplified by one athlete who attenuated the reduction in training workloads and increased her performance during the lockdown and another one who markedly reduced his workload and performance, and got injured during the retraining phase. Conclusions: Although there seems to be a large interindividual variability, COVID-19 lockdown is likely to impose negative consequences on elite athletes, but these detrimental effects might be avoided by attenuating reductions in training workloads and seem to be overall recovered after 6 to 8 weeks of retraining.
Football in Times of COVID-19: A Recapitulation of Preventive Measures and Infection Control Policies Aiming at a Safe Game Environment
Karim Chamari, Ismail Dergaa, Inigo Mujika, Yorck Olaf Schumacher, Montassar Tabben, and Helmi Ben Saad
The coronavirus disease 2019 (COVID-19) pandemic hampered many people’s capacity to engage in physical activity and benefit from sporting involvement. 1 , 2 Event suspensions and cancellations have wrecked both recreational and elite competition calendars worldwide, mainly in 2020 and 2021
COVID-19: Impact of a “Global Player”—A Reflection 1 Year On
Ralph Beneke and Renate M. Leithäuser
It is about a year now that the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been dominating our private and professional lives across the world causing changes in “game rules” in all situations of daily life. We all had to experience and adjust to things like social distancing
The Pitch Invader—COVID-19 Canceled the Game: What Can Science Do for Us, and What Can the Pandemic Do for Science?
Daniel Bok, Karim Chamari, and Carl Foster
champion in mid-July. Before that, we were supposed to enjoy numerous sporting events across the globe yielding new champions in different sports and competition levels. And then, COVID-19 hit. On March 11, 2020, the World Health Organization declared a pandemic caused by novel coronavirus (COVID-19
Successful Return to Performance After COVID-19 Infection in an Elite Athlete
Cyril Besson, Kenny Guex, Laurent Schmitt, Boris Gojanovic, and Vincent Gremeaux
after COVID-19 infection: a practical guide for sport and exercise medicine physicians . Br J Sports Med . 2020 ; 54 : 1157 – 1161 . doi:10.1136/bjsports-2020-102710 32878870 2. Kim JH , Levine BD , Phelan D , et al . Coronavirus disease 2019 and the athletic heart: emerging perspectives on
Training Practices of Football Players During the Early COVID-19 Lockdown Worldwide
Jad Adrian Washif, Iñigo Mujika, Matthew D. DeLang, João Brito, Alexandre Dellal, Thomas Haugen, Bahar Hassanmirzaei, Del P. Wong, Abdulaziz Farooq, Gürhan Dönmez, Kwang Joon Kim, Juan David Peña Duque, Lewis MacMillan, Ryo Matsunaga, Alireza Rabbani, Mohamed Romdhani, Montassar Tabben, Yacine Zerguini, Piotr Zmijewski, David B. Pyne, and Karim Chamari
Coronavirus 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 viral agent, instigated a pandemic, enforcing public health measures globally. 1 , 2 The mandated lockdowns resulted in severe disruption of community lives worldwide, including in sports. 3 Notably, sports
Training Load and Performance Impairments in Professional Cyclists During COVID-19 Lockdown
Xabier Muriel, Javier Courel-Ibáñez, Victor Cerezuela-Espejo, and Jesús G. Pallarés
As the novel coronavirus pandemic emerged (COVID-19), professional athletes have been forced to unexpectedly adapt their training routines for months like never before. This seems to be particularly challenging for professional road cyclists who require a high volume of outdoor training over an
COVID-19 Lockdown: A Global Study Investigating the Effect of Athletes’ Sport Classification and Sex on Training Practices
Jad Adrian Washif, Øyvind Sandbakk, Stephen Seiler, Thomas Haugen, Abdulaziz Farooq, Ken Quarrie, Dina C. Janse van Rensburg, Isabel Krug, Evert Verhagen, Del P. Wong, Iñigo Mujika, Cristina Cortis, Monoem Haddad, Omid Ahmadian, Mahmood Al Jufaili, Ramzi A. Al-Horani, Abdulla Saeed Al-Mohannadi, Asma Aloui, Achraf Ammar, Fitim Arifi, Abdul Rashid Aziz, Mikhail Batuev, Christopher Martyn Beaven, Ralph Beneke, Arben Bici, Pallawi Bishnoi, Lone Bogwasi, Daniel Bok, Omar Boukhris, Daniel Boullosa, Nicola Bragazzi, Joao Brito, Roxana Paola Palacios Cartagena, Anis Chaouachi, Stephen S. Cheung, Hamdi Chtourou, Germina Cosma, Tadej Debevec, Matthew D. DeLang, Alexandre Dellal, Gürhan Dönmez, Tarak Driss, Juan David Peña Duque, Cristiano Eirale, Mohamed Elloumi, Carl Foster, Emerson Franchini, Andrea Fusco, Olivier Galy, Paul B. Gastin, Nicholas Gill, Olivier Girard, Cvita Gregov, Shona Halson, Omar Hammouda, Ivana Hanzlíková, Bahar Hassanmirzaei, Kim Hébert-Losier, Hussein Muñoz Helú, Tomás Herrera-Valenzuela, Florentina J. Hettinga, Louis Holtzhausen, Olivier Hue, Antonio Dello Iacono, Johanna K. Ihalainen, Carl James, Saju Joseph, Karim Kamoun, Mehdi Khaled, Karim Khalladi, Kwang Joon Kim, Lian-Yee Kok, Lewis MacMillan, Leonardo Jose Mataruna-Dos-Santos, Ryo Matsunaga, Shpresa Memishi, Grégoire P. Millet, Imen Moussa-Chamari, Danladi Ibrahim Musa, Hoang Minh Thuan Nguyen, Pantelis T. Nikolaidis, Adam Owen, Johnny Padulo, Jeffrey Cabayan Pagaduan, Nirmala Panagodage Perera, Jorge Pérez-Gómez, Lervasen Pillay, Arporn Popa, Avishkar Pudasaini, Alizera Rabbani, Tandiyo Rahayu, Mohamed Romdhani, Paul Salamh, Abu-Sufian Sarkar, Andy Schillinger, Heny Setyawati, Navina Shrestha, Fatona Suraya, Montassar Tabben, Khaled Trabelsi, Axel Urhausen, Maarit Valtonen, Johanna Weber, Rodney Whiteley, Adel Zrane, Yacine Zerguini, Piotr Zmijewski, Helmi Ben Saad, David B. Pyne, Lee Taylor, and Karim Chamari
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the resulting COVID-19 pandemic transformed day-to-day life globally. 1 National and/or local authorities adopted (and readopted) varying restrictive measures to curb virus spread, including closure of borders and educational
Soccer Players’ Sleep Quality and Training Load Were Affected by the COVID-19 Lockdown: An International Survey
Mohamed Romdhani, Jad Adrian Washif, Lee Taylor, Karim Chamari, and on behalf of the “Athletes’ Sleep During the Lockdown International Survey” Group Members
The coronavirus disease 2019 (COVID-19) pandemic and associated lockdowns transiently changed soccer (football) globally. 1 Given that team performance in soccer is multifaceted, it is unsurprising that almost all investigated components were affected by lockdowns. 1 – 7 Indeed, government
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