Understanding of the physical demands and the effects of fatigue and substitute players in rugby sevens is limited. This study quantified the differences in movement patterns between domestic and international rugby sevens tournaments, the effects of fatigue within and between matches during tournaments, and movement patterns of second half substitute players.
Higham, D., PYNE, D., Anson, J., & Eddy, A. (2012). Movement patterns in rugby sevens: Effects of tournament level, fatigue and substitute players. Journal of Science and Medicine in Sport, 15(3), 277-282. https://doi.org/10.1016/J.JSAMS.2011.11.256