Copyright © 2015 by the American Osteopathic Association. From: Combat-Related Posttraumatic Headache: Diagnosis, Mechanisms of Injury, and Challenges to Treatment J Am Osteopath Assoc. 2010;110(9):514-519. doi:10.7556/jaoa.2010.110.9.514 Figure Legend: Symptoms of concussion. Source: Item VIII, Military Acute Concussion Evaluation (MACE). Available at http://www.cs.amedd.army.mil/filedownload.aspx?docid=930. Date of download: 11/3/2017 Copyright © 2015 by the American Osteopathic Association. All rights reserved.