G. Duthie, D. Pyne, and S. Hooper, Applied Physiology and Game Analysis of Rugby Union, Sports Medicine, vol.23, issue.1, pp.973-91, 2003.
DOI : 10.1080/02640418808729803

K. Quarrie and W. Hopkins, Changes in player characteristics and match activities in Bledisloe Cup rugby union from 1972 to 2004, Journal of Sports Sciences, vol.5, issue.8, pp.895-903, 2007.
DOI : 10.1080/00948705.2005.9714683

S. Hughes and M. , Patterns of play of international rugby union teams before and after the introduction of professional status, Int J Perform Anal Sport, vol.3, pp.103-114, 2003.

D. Austin, T. Gabbett, and D. Jenkins, The physical demands of Super 14 rugby union, Journal of Science and Medicine in Sport, vol.14, issue.3, pp.259-63, 2011.
DOI : 10.1016/j.jsams.2011.01.003

K. Norton and T. Olds, Morphological Evolution of Athletes Over the 20th Century, Sports Medicine, vol.53, issue.4, pp.763-83, 2001.
DOI : 10.1016/S0015-0282(16)53329-9

T. Olds, The evolution of physique in male rugby union players in the twentieth century, Journal of Sports Sciences, vol.19, issue.4, pp.253-62, 2001.
DOI : 10.1080/026404101750158312

J. Brooks and S. Kemp, Recent Trends in Rugby Union Injuries, Clinics in Sports Medicine, vol.27, issue.1, pp.51-73, 2008.
DOI : 10.1016/j.csm.2007.09.001

S. Mellalieu, G. Trewartha, and K. Stokes, Science and rugby union, Journal of Sports Sciences, vol.22, issue.8, pp.791-795, 2008.
DOI : 10.1080/10413200600944074

G. Duthie, A Framework for the Physical Development of Elite Rugby Union Players, International Journal of Sports Physiology and Performance, vol.1, issue.1, pp.2-13, 2006.
DOI : 10.1123/ijspp.1.1.2

B. Cunniffe, W. Proctor, and J. Baker, An Evaluation of the Physiological Demands of Elite Rugby Union Using Global Positioning System Tracking Software, Journal of Strength and Conditioning Research, vol.23, issue.4, pp.1195-203, 2009.
DOI : 10.1519/JSC.0b013e3181a3928b

C. Argus, N. Gill, and J. Keogh, Changes in Strength, Power, and Steroid Hormones During a Professional Rugby Union Competition, Journal of Strength and Conditioning Research, vol.23, issue.5, pp.1583-92, 2009.
DOI : 10.1519/JSC.0b013e3181a392d9

J. Goncalo, E. Polman, and C. Maslach, Can confidence come too soon? Collective efficacy, conflict and group performance over time, Organizational Behavior and Human Decision Processes, vol.113, issue.1, pp.13-24, 2010.
DOI : 10.1016/j.obhdp.2010.05.001

URL : http://digitalcommons.ilr.cornell.edu/cgi/viewcontent.cgi?article=1306&context=articles

I. Greenlees, J. Graydon, and I. Maynard, The impact of collective efficacy beliefs on effort and persistence in a group task, Journal of Sports Sciences, vol.37, issue.2, pp.151-159, 1999.
DOI : 10.1037/0003-066X.37.2.122

R. Poli, L. Ravanel, and R. Besson, Annual review of the European football players' labour market, 2010.
URL : https://hal.archives-ouvertes.fr/halshs-00318674

I. Greenlees, R. Nunn, and J. Graydon, The Relationship between Collective Efficacy and Precompetitive Affect in Rugby Players: Testing Bandura's Model of Collective Efficacy, Perceptual and Motor Skills, vol.10, issue.2, pp.431-471, 1999.
DOI : 10.1007/978-1-4419-6868-5_11

Z. Babic, M. Misigoj-durakovic, and H. Matasic, Croatian rugby project?Part I. Anthropometric characteristics, body composition and constitution, J Sports Med Phys Fitness, vol.41, pp.250-255, 2001.

W. Bell, Body composition of rugby union football players., British Journal of Sports Medicine, vol.13, issue.1, pp.19-23, 1979.
DOI : 10.1136/bjsm.13.1.19

G. Duthie, D. Pyne, and W. Hopkins, Anthropometry profiles of elite rugby players: quantifying changes in lean mass, British Journal of Sports Medicine, vol.40, issue.3, pp.202-209, 2006.
DOI : 10.1136/bjsm.2005.019695

A. Agency, Adverse Analytical Findings and Atypical Findings Reported by Accredited Laboratories, 2009.

K. Quarrie, P. Handcock, and A. Waller, The New Zealand rugby injury and performance project. III. Anthropometric and physical performance characteristics of players., British Journal of Sports Medicine, vol.29, issue.4, pp.263-70, 1995.
DOI : 10.1136/bjsm.29.4.263

F. Maso, Exigences physiologiques n??cessaires ?? la pratique de rugby de haut niveau, Science & Sports, vol.17, issue.6, pp.297-301, 2002.
DOI : 10.1016/S0765-1597(02)00164-8

S. Roberts, G. Trewartha, and R. Higgitt, The physical demands of elite English rugby union, Journal of Sports Sciences, vol.1, issue.8, pp.825-858, 2008.
DOI : 10.1080/026404199365902

C. Eaton and K. George, Position specific rehabilitation for rugby union players. Part I: Empirical movement analysis data, Physical Therapy in Sport, vol.7, issue.1, pp.22-31, 2006.
DOI : 10.1016/j.ptsp.2005.08.006

A. Bejan and J. Marden, Unifying constructal theory for scale effects in running, swimming and flying, Journal of Experimental Biology, vol.209, issue.2, pp.238-286, 2006.
DOI : 10.1242/jeb.01974

M. Guillaume, N. Helou, and H. Nassif, Success in Developing Regions: World Records Evolution through a Geopolitical Prism, PLoS ONE, vol.4, issue.10, p.7573, 2009.
DOI : 10.1371/journal.pone.0007573.s002

URL : https://hal.archives-ouvertes.fr/hal-00437288