The effect of volume equated 1- versus 2-day formats of Nordic hamstring exercise training on fitness in youth soccer players: A randomised controlled trial

• Jason Moran ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Supervision, Validation, Writing – original draft, Writing – review & editing

  * E-mail: jmorana@essex.ac.uk

  Affiliation School of Sport, Rehabilitation, and Exercise Sciences, University of Essex, Colchester, United Kingdom

  https://orcid.org/0000-0001-7452-6855

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• Norodin Vali,

  Roles Data curation, Investigation, Methodology, Writing – review & editing

  Affiliation Department of Exercise Physiology, Shahid Rajaee Teacher Training University, Tehran, Iran

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• Ben Drury,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Sport, Hartpury University, Gloucestershire, United Kingdom

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• Raouf Hammami,

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliations Higher Institute of Sport and Physical Education of Ksar-Said, Universite de La Manouba, Tunis, Tunisia, Research Laboratory: Education, Motor Skills, Sports and Health, Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia

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• Jamie Tallent,

  Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliation School of Sport, Rehabilitation, and Exercise Sciences, University of Essex, Colchester, United Kingdom

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• Helmi Chaabene,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliations Department of Sports and Health Sciences, Faculty of Human Sciences, University of Potsdam, Potsdam, Germany, Higher Institute of Sports and Physical Education, Kef, University of Jendouba, Jendouba, Tunisia

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• Rodrigo Ramirez-Campillo

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Exercise and Rehabilitation Sciences Laboratory, Faculty of Rehabilitation Sciences, School of Physical Therapy, Universidad Andres Bello, Santiago, Chile

  https://orcid.org/0000-0003-2035-3279

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