Variability of physical performance and player match loads in professional rugby union

To examine the within- and between-player variability of physical performance and player match loads in professional rugby union.A single cohort, observational study.Physical match performance data were collected from 28 male, professional, English Championship players over 15 competitive matches. Using microsensors, the variables selected for analysis were total distance, low-speed running distance, high-speed running distance, very high-speed...