Comparisons between studies
that assess IIRmust be made with caution due to the different
definitions of running-related injuries, the subjects included,
and themethods used for injury assessment [9]. Competitive
and elite athletes tend to have fewer IIRs per 1000 hours of
exposure than recreational or inexperienced athletes [13, 15].
In a study with young competitive orienteering athletes, 3.0
injuries per 1000 hours of training were reported [12].