Performance indicators during international rugby union matches are influenced by a combination of physiological and contextual variables

Research has linked physiological (e.g., hormonal, affective, fatigue) outcomes to performance indicators in rugby competition, but no work has integrated and contextualised these factors within a test-match environment. We addressed this gap by monitoring 29 athletes from a training squad across eight international rugby matches.Longitudinal observational study.Pre-match (8-9am) measures of salivary testosterone and cortisol concentrations,...