• Accelerations and high intensity running in field and assistant football referees during match play 

      Riiser, Amund; Pettersen, Svein Arne; Andersen, Vidar; Sæterbakken, Atle Hole; Frøyd, Christian; Ylvisåker, Einar; Moe, Vegard Fusche (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-20)
      <p><i>Objectives</i>: (1) to examine accelerations and high intensity running (HIR) in football field referees (FR) and assistant referees (AR) during football matches and (2) to evaluate fluctuations in accelerations and HIR between first and second half and in 5-min periods.</p> <p><i>Methods</i>: All movements of the referees were measured using a radio-based tracking system during 41 matches ...