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Although physical and cognitive rest are universally recommended elements of concussion treatment (NEJM JW Emerg Med Sep 2014 and Ontario Neurotrauma Foundation 2014 Jun), prolonged inactivity after concussion has been linked to negative health effects. Light aerobic activity that avoids risk for reinjury has been shown to treat refractory concussion symptoms in preliminary studies, suggesting that low-level physical activity after concussion might be beneficial, rather than harmful.
Researchers assessed the association between physical activity and postconcussive symptoms in a prospective cohort study of 2413 children aged 5–18 years presenting with acute concussion to nine Canadian emergency departments (EDs). Children and their parents we…