Regular physical activity remains an unequivocal form of preventative and rehabilitative treatment that greatly reduces the development of risks tied to metabolic syndrome, heart disease, and cognitive decline. Those who suffer from PTSD are characterized as having poor health status and do not participate in sufficient levels of PA. Participants will be affixed with a Sensewear Armband for a period of 7-10 days to classify distinct characteristics and patterns of activity among combat Veterans. Findings may provide new or improved direction for specific exercise prescription or treatment-based interventions for those with PTSD.