9 “if in doubt, sit them out” Diagram2:ReturntoSportProtocolforchildren18yearsofageandunder Diagnosis of concussion No return to sport Deliberate physical and cognitive rest (24–48 hours) Return to learn: no return to physical activity until after successful return to school and other cognitive activities Light aerobic activity (until symptom-free) Basic sport-specific drills which are non-contact – no head impact (24 hours) More complex sport-specific drills which are non-contact – no head impact – may add resistance training (24 hours) No return to contact activities before 14 days from complete resolution of all concussion symptoms Medical review before return to full contact training Return to full contact training (24 hours) Return to sport Significant and sustained deterioration in concussion symptoms Significant and sustained deterioration in concussion symptoms Recurrence of concussion symptoms Recurrence of concussion symptoms Recurrence of concussion symptoms If not medically cleared, any further activity to be determined by medical practitioner Recurrence of concussion symptoms COMPLETE FORMAL MEDICAL REVIEW Recurrence of concussion symptoms COMPLETE FORMAL MEDICAL REVIEW