Follow these steps to accurately measure your head for a motorcycle helmet: Step 1: Measure your head. ... Now that you have your head measurement and shape, it’s time to find your size.

Henry typically wears a youth size helmet, but with the right measurements. “He’s a 55, so then you’re going to come over to the helmets. A look at the boxes, and he’s an adult small ...

The U.S. Army has awarded $932,000 to Lebanon, N.H.-based Simbex for 20 Head Impact Telemetry System-equipped helmets to be used to "measure the shock from explosive devices." ...

And Head Health Challenge II is open to anybody with ideas about how to make better helmets. "That's what we're investigating here, to try to see if there's a better helmet out there, there's a ...

In addition to head acceleration, the sensors measure the location and direction of a collision - factors Crisco said can also contribute to concussions. After an on-field collision, this data is ...

The helmet device also will measure acceleration, the jolt soldiers receive from the explosion. It is one of the primary causes of death from an IED because it can snap the neck.

Some of the most expensive helmets don't perform well at all,” said Duma. Virginia Tech has been testing and rating helmets since 2011. Before you buy your next helmet, it's worth checking out ...