Millions of firefighters are facing head and neck injuries due to the weight of fire-helmets. These helmets are the rescue helmets that are a part of their protective clothing. This research will focus on the main three issues:
1) Any upper limit of the weight that can be safely supported by the head with regards to both short- and long-term injury?
2. Is there an optimal distribution of mass that would minimize the risk of head and neck injury?
3. Are different design criteria, in terms of loads and load distributions, required for helmets intended for women?
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