Metabolic Power Requirement of Change of Direction Speed in Young Soccer Players: Not All Is What It Seems

• Karim Hader ,

  Contributed equally to this work with: Karim Hader, Martin Buchheit

  * E-mail: Karim.Hader@aspetar.com

  Affiliations Laboratory of Exercise Physiology and Rehabilitation, EA 3300, Faculty of Sport Sciences, University of Picardie, Jules Verne, 80025 Amiens, France, National Sports Medicine Programme, Excellence in Football Project, Aspetar-Orthopaedic and Sports Medicine Hospital, Doha, Qatar

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• Alberto Mendez-Villanueva ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Sport Science Department, Aspire Academy, Doha, Qatar

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• Dino Palazzi ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Sport Science Department, Aspire Academy, Doha, Qatar

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• Saïd Ahmaidi,

  Affiliation Laboratory of Exercise Physiology and Rehabilitation, EA 3300, Faculty of Sport Sciences, University of Picardie, Jules Verne, 80025 Amiens, France

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• Martin Buchheit

  Contributed equally to this work with: Karim Hader, Martin Buchheit

  Affiliations Sport Science Department, Myorobie Association, Montvalezan, France, Performance Department, Paris Saint Germain Football Club, Saint-Germain-en-Laye, France, Institute of Sport, Exercise and Active Living, College of Sport and Exercise Science, Victoria University, Melbourne, Australia

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