Clinical Assessment of Sports Exertion

Inclusion Criteria: * 10-22 years of age who have participated in organized sport activities within the past 12 months * Diagnosed with a concussion according to international concussion in sport group criteria * Asymptomatic at rest and must be cleared from return-to-play by a qualified healthcare professional no later than 30 days following clearance Exclusion Criteria: * Orthopedic or neurologic, or other limitations * History of seizures * Previous or current diagnoses for cardiopulmonary conditions * Medical diagnosis of diabetes and/or currently on medications for diabetes (e.g., insulin) * Uncontrolled asthma * Pregnancy * Currently experiencing symptoms of COVID-19 or \< 7 days since last symptoms * History of moderate or severe traumatic brain injury defined as a brain injury with an associated Glasgow Coma Scale score of 12 or less * Symptom score \>1 point on initial PCSS intake * A current diagnosis of and treatment with medication for attention-deficit/hyperactivity disorder, learning disorder, depression, anxiety, or a history of more than 3 prior concussions * Limited English proficiency * Currently taking prescription medication for concussion related impairments * Anticoagulant or antiplatelet use * History of a medical condition that mimics the signs and symptoms of prolonged concussion symptoms (eg, history of chronic headaches, active migraines, cardiovascular conditions)