The relationships between physical fitness attributes and match demands in rugby union referees officiating the 2019 Rugby World Cup - Blair, M. R.; Scanlan, A. T.; Lastella, M.; Ramsey, C.; Elsworthy, N. (International Journal of Performance Analysis in Sport, 2022)
Keywords: rugby; performance; anthropometry; analysis; test; investigation method; velocity; GPS; referee; Great Britain; sport games