Quarter’s external workload demands of basketball referees during a European youth congested-fixture tournament

The study’s purposes were to ascertain referees’ external workload, and to analyse the match periods and match outcome effects during an European youth basketball championship. Through principal component analysis, the variables relative distance at walking, high intensity (>16 km/h; Distance Explosive), sprinting, and maximum sprinting, number of events >24 km/h, maximum and average speed, total and maximum acceleration, accelerations between...