Table 1: Graduated return to play protocol established at the 3rd international conference on concussion in sport.

Rehabilitation stateFunctional exercise at each stage of rehabilitationObjective of each stage

(1) No activityComplete physical and cognitive restRecovery
(2) Light aerobic exerciseWalking, swimming, or stationary cycle keeping intensity <70% MPHR; no resistance trainingIncrease HR
(3) Sport-specific exerciseSkating drills in ice hockey, running drills in soccer, no head impact activatesAdd movement
(4) Non-contact training drillsProgression to more complex training drills, for example, passing drills in football and ice hockey, may start progressive resistance trainingExercise, coordination, and cognitive load
(5) Full contact practiceFollowing medical clearance; participate in normal training activatesRestore confidence and asses functional skills by coaching staff
(6) Return to playNormal game play