Strict rest or physical activity: which is the most beneficial following concussion?

Currently, the optimal time for rest or activity following a concussion is not well defined and is based on expert opinion rather than evidence-based guidelines, due to the lack of available research. Guidelines for clinical management following a concussion recommends brief periods of rest during the acute phase [1], then once acute symptoms disappear gradual return to activity is encouraged [2], however, optimal levels of activity remain unknown.  Emerging evidence suggests that activity following concussion could improve recovery time and that strict rest immediately after concussion offered no added benefit [3]. Recovering from a concussion can result in individuals having...