Knowledge of Predicting Increased Risk for an Overuse Injury in Runners

Inclusion Criteria: * Men between 18 and 60 years * Access to an e-mail * Two years running experience as a minimum * Exercises three times weekly as a minimum, on annual average or until any excessive load on the body occurs * Experience with running machines * A written signed statement of consent Exclusion Criteria: * Lack of a written signed statement of consent * Unwillingness to keep a journal during the running exercises * Unwillingness to register data during the follow-up period * Injury in the lower extremities within 3 months before baseline * The runner uses insoles or he has been through a surgical procedure in the lower extremities * A mental disability for example dementia or challenging behaviour * The runner plays heavy sport, cf. American College of Sports Medicine * Unability to read or understand Danish * Unability to cooperate