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Bruno Marrier, Alexandre Durguerian, Julien Robineau, Mounir Chennaoui, Fabien Sauvet, Aurélie Servonnet, Julien Piscione, Bertrand Mathieu, Alexis Peeters, Mathieu Lacome, Jean-Benoit Morin, and Yann Le Meur

Elite Rugby-7s players are required to perform high-velocity running in competition for 3 times across 1 day and consecutively over 2 or 3 days. 1 Rugby-7s strength and conditioning coaches spend the majority of the competitive season attempting to ensure that training and recovery strategies are

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Luis Suarez-Arrones, Javier Núñez, Eduardo Sáez de Villareal, Javier Gálvez, Gabriel Suarez-Sanchez, and Diego Munguía-Izquierdo

Purpose:

To describe the repeated-high-intensity activity and internal training load of rugby sevens players during international matches and to compare the differences between the 1st and 2nd halves.

Methods:

Twelve international-level male rugby sevens players were monitored during international competitive matches (n = 30 match files) using global positioning system technology and heart-rate monitoring.

Results:

The relative total distance covered by the players throughout the match was 112.1 ± 8.4 m/min. As a percentage of total distance, 35.0% (39.2 ± 9.0 m/min) was covered at medium speed and 17.1% (19.2 ± 6.8 m/min) at high speed. A substantial decrease in the distance covered at >14.0 km/h and >18.0 km/h, the number of accelerations of >2.78 m/s and >4.0 m/s, repeated-sprint sequences interspersed with ≤60 s rest, and repeated-acceleration sequences interspersed with ≤30 s or ≤60 s rest was observed in the 2nd half compared with the 1st half. A substantial increase in the mean heart rate (HR), HRmax, percentage of time at >80% HRmax and at >90% HRmax, and Edwards training load was observed in the 2nd half compared with the 1st half.

Conclusion:

This study provides evidence of a pronounced reduction in high-intensity and repeated-highintensity activities and increases in internal training load in rugby sevens players during the 2nd half of international matches.

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* Victoria L. Goosey-Tolfrey * 1 08 2019 14 7 911 917 10.1123/ijspp.2018-0838 ijspp.2018-0838 Preconditioning Strategy in Rugby-7s Players: Beneficial or Detrimental? Bruno Marrier * Alexandre Durguerian * Julien Robineau * Mounir Chennaoui * Fabien Sauvet * Aurélie Servonnet * Julien

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education. USA Women’s Rugby-7s Non-Contact Injury Incidence Victor Lopez, Jr 1-3 , Batool Quteishat 1,4 , Richard Ma 1,3,5 , Christian Victoria 1,6 , Meryle G Weinstein 1,6 , Patria A Hume 2 , Samuel Y Haleem 1,7 , Fady Gries 1,8 , and Answorth A Allen 1,9-11 1 Rugby Research and Injury Prevention Group

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Federico Donghi, Ermanno Rampinini, Andrea Bosio, Maurizio Fanchini, Domenico Carlomagno, and Nicola A. Maffiuletti

effective priming strategy to improve afternoon sprint performance. 5 In contrast, young elite rugby 7s players showed no improvement in sprint ability 2 hours after a 30-minute session consisting of accelerations, small-sided games, and 2 × 50-m maximal sprints. 7 Similarly, amateur soccer players who

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Cédric Leduc, Julien Robineau, Jason C. Tee, Jeremy Cheradame, Ben Jones, Julien Piscione, and Mathieu Lacome

: from theory to practice . Int J Sports Physiol Perform . 2018 ; 14 ( 1 ): 1 – 24 . PubMed ID: 29952634 doi:10.1123/ijspp.2017-0839 8. Robineau J , Marrier B , Le Meur Y , Piscione J , Peeters A , Lacome M . “Road to Rio”: a case study of workload periodization strategy in rugby-7s

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supplements. Measured Versus Predicted Resting Metabolic Rate (RMR) in Elite Rugby 7s Players KE Black 1 , S Sims 2 , D Baker 1 , K Schofield 2 , J McQuillan 2 , H Thorpe 2 1 Department of Human Nutrition, University of Otago, PO Box 56, Dunedin, New Zealand 2 Te Oranga School of Human Development and

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Even Brøndbo Dahl, Eivind Øygard, Gøran Paulsen, Bjarne Rud, and Thomas Losnegard

AC , Stone MH , Thrush JT , Fleck SJ . Precompetition training sessions enhance competitive performance of high anxiety junior weightlifters . J Strength Cond Res . 1995 ; 9 ( 1 ): 37 – 42 . 7. Marrier B , Durguerian A , Robineau J , et al . Preconditioning strategy in rugby-7s

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Suzanna Russell, Angus G. Evans, David G. Jenkins, and Vincent G. Kelly

the detrimental effects of intense training, 3 allows athletes to train or compete sooner, 1 increases performance in further competition, 1 and can alleviate mental and perceived fatigue. 2 , 4 In tournament sports such as Rugby 7s, up to 3 games can be played in 1 day 5 and in other

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Adam Grainger, Paul Comfort, and Shane Heffernan

therapies could be a beneficial modality for the restoration of performance during a more condensed competitive period such as rugby 7s or international tours but would be a worthy investigation. Despite a near-significant difference in selected training load variables being apparent in this study, the