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Doctor in Sciences of the Physical Activity and Sport, and Bachelor’s degree in Physical Education from the University of the Basque country. Degree in Human Sports Movements at the University of Cardiff (Wales).

Master in High Performance in Sports by the Universidad Autónoma de Madrid and Master of Research by the University of the Basque Country and the Spanish Olympic Committee.

He has also done post-doctoral stays in: USA, Argentina, England, Croatia, Norway and Australia. Brings together the trainer higher degrees of: basketball, athletics and swimming.

Julio Calleja has been personal as elite athletes coach: Alberto Iñurrategui (Hymalayista Top class Climber), Eneko Acero (twice champion of Europe of surfing), Clemente Alonso (International Iron Man triathlete) and Yahaira Aguirre (International Judo medalist).

Likewise, he has been coach of the project Academy 21st century of the Spanish Basketball Federation between 1996 and 2003 and coordinator of the Physical training of the Spanish Basketball Federation training centres.

Responsible for the Spanish National Basketball Team Coach (u-15, u-16, u-20, u-22, B), 2 Championships of Europe and a World Championships between 1997 and 2001. Physical trainer, head of the Professional Club Tenerife of Basketball in LËB, ACB and Champions Cup League between 2001 and 2003. Between 2009 and 2011, was coach of the Spanish National Academy of Rugby and head of the Physical Training of Lafederacion Vasca de Rugby (2005-2015).

Applied Sport Scientist (recovery) in the absolute National Basketball Team of the Dominican Republic in the FIBA AMERICAS Championships and pre-Olympic 2015. Head of performance in Angola from August 1 of basketball. He is currently a consultant in training and physiology of football and basketball teams.


He has given more than 400 lectures at national and international conferences as a guest speaker in 20 countries. He is a member of the Editorial Board of the magazine International “Journal of Fundamental and Applied Kinesiology (ISI)”. He has published 5 books, 48 chapters of books, scientific articles 132 and has directed 6 doctoral theses.

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Ability to repeat sprints in a high-intensity sport. Example: basketball.

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The ability to repeat sprints (repeated sprint ability), has been a major breakthrough in team sports as model specific repeated word of high intensity in a sport such as basketball activity. Its management based on the: volume, rest, repetitions, number of sessions, and interference with other components is crucial to be able to optimize its performance.

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