Grizzlies and gazelles: Duty factor is an effective measure for categorizing running style in English Premier League soccer players - Hanley, B.; Tucker, C. B.; Gallagher, L.; Parelkar, P.; Thomas, L.; Crespo, R.; Price, R. J. (Frontiers in Sports and Active Living, 2022)
Keywords: soccer; velocity; running; load; time; Switzerland; sport games