The prevalence of body armour and helmets in military forces combined with theavailability of combat medical support and timely evacuation of injured soldiers hasincreased the survivability rates of those who have been exposed to blast. Despite this, theincidents of traumatic brain injury (TBI), as a result of primary blast, have been described asthe ‘signature injury’ of modern warfare. The physical interaction between a blast wave anda human head is not well understood and there is some conjecture as to whether helmets areattenuating or amplifying the blast effects on the human head. The aim of this study was toimprove the understanding of the interaction of primary blasts on the human head withdifferent attachments such as a helmet and face shield.
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