http://www.combatstress.org.uk/medical-professionals/symptoms-of-trauma/

http://www.ehealthme.com/cs/post-traumatic+stress+disorder/gait+disturbance

Shell shock: Psychogenic gait and other movement disorders—A film review: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3610089/

Post-traumatic stress disorder (PTSD): The management of PTSD in adults and children in primary and secondary care: http://publications.nice.org.uk/post-traumatic-stress-disorder-ptsd-cg26/guidance#post-traumatic-stress-disorder