Physical activity and symptoms after concussion

BACKGROUND AND OBJECTIVE While some have argued that,acutely after a concussion,unrestricted physical activity may be detrimental to recovery,few studies have prospectively assessed the effect of behavior on patient outcome.This study was designed to better understand the association between physical activity and symptom recovery after an acute episode of concussion.METHODS This prospective study included all patients diagnosed with a concussion seen in a sports medicine clinic between October of 2009 and July of 2011.Patients were assessed by physical examinations,with symptoms determined using the Post-Concussion Symptom Scale(PCSS),a 22-symptom inventory.During the initial clinic visit,patients were asked whether they had continued their regular exercise