Pronation of the foot with many overuse injuries in running including medial tibial stress syndrome, or shin splints, and knee pain Hintermann states, “Individuals with injuries typically have pronation movement that is about two to four degrees greater than that of those with no injuries.” He adds however, that between 40% and 50% of runners who overpronate do not have overuse injuries. This suggests that although pronation may have an effect on certain injuries, it is not the only factor influencing their development. The design principles of foot orthoses are founded on knowledge of the functional anatomy of the foot. Pronation of the foot
Operational Stress Injury emotional injury suffered by soldiers in the course of their service. The term was designed to expand the understanding of mental health disorders related to service beyond just PTSD, and to include other clinical diagnoses linked to trauma. The word 'injury' was chosen to help shift the view of these disorders in order to extend to them the same legitimacy in discourse as physical injuries, and to help reduce the stigma surrounding mental health. Not a diagnosis itself, operational stress injury was described by the Canadian Forces as a “grouping of diagnoses that are related to injuries that occur as