So, Whaddya Think? . . . . . . . . . Do Motorcycle Helmets Protect the Brain?
So, Whaddya Think?
Do Motorcycle Helmets Protect the Brain?
David H. Figurski, Ph.D
Donna O’Donnell Figurski
Whether or not motorcycle helmets reduce head injuries is a topic that is highly controversial. Witness the fact that some states have motorcycle helmet laws while others don’t.
Clearly, helmets do not prevent all brain injuries. Former National Football League lineman George Visger (San Francisco 49ers), who’s a survivor of a football-induced brain injury, worries about the false sense of security that helmets can engender. (Listen to minutes 12:00-14:00 of Donna’s August 16, 2015, interview of him.)
On the positive side, many people believe motorcycle helmets can reduce minor head injuries and thereby mitigate or even prevent some brain injuries. I am staunchly pro-helmet in my viewpoint, but I am also realistic about how protective a helmet actually is. Recently, I encountered someone who is an adamant proponent of the anti-helmet viewpoint. Here’s what happened.
Donna and I recently attended a lecture by Carrie Collins-Fadell, Executive Director of the Brain Injury Alliance of Arizona (BIAAZ), on the basics of brain injury and the work of the organization. At one point, I asked Carrie if BIAAZ had an official position on motorcycle helmet laws. (Arizona currently has no such law.) Given the current debate, her unsurprising answer was that it does not.
I’m a firm believer in helmets because one saved my face and possibly prevented a serious brain injury. I loved my bike, and, like most riders feel about their riding ability, I considered myself to be competent, alert, and safety-conscious. But, my bike was totaled in an accident that was not my fault.
As I rounded a bend in the Catskill Mountains of southern New York one Sunday morning, I encountered a massive oil spill that was left on the road by an emergency car repair. My tires lost their grip, my bike and I went down, and my bike ended up underneath on oncoming car. Fortunately, I was thrown from my bike and ended up down the road. (The hysterical driver thought I was still with my bike underneath her car.)
The point of this story is that I was wearing the best full-face helmet I could buy. I hit face-first. I know that because the chin-bar on my helmet was ground down from the road. Because of that helmet, I was able to walk away – although with some road-rash. I hate to think what would have happened to me if I had not been wearing that helmet.
I told Carrie that I was in favor of helmet laws. But, another member of the audience took issue with me and presented the opposing view. “The only reason I would wear a helmet is if a law required me to.” We had a short discussion about our opposing beliefs. There are valid arguments for both opinions, and I know much more could have been said. But, I was mindful of the time, and I suspected Carrie was eager to get back to her talk. (I know Donna was happy I ended quickly!)
Both of us made valid points. I’d like to address comments that were stated and what could have been said.
The audience-member argued that a helmet adds possibly dangerous weight to a rider’s head. This is a valid point.
Helmets can add up to 5 pounds to the head, and that extra weight can endanger the neck, with consequences for the brain and/or spine. (Professional race-drivers are well aware of this danger. I raced cars at the amateur level, and, again, I considered myself to be safety-conscious, although Donna thought that racing cars at all was a strange way to show it! Nevertheless, I was the first driver in the group to use a HANS device – a carbon-fiber collar that’s held tight by the safety harness. The point is that the weight of the head and helmet is somewhat counteracted by tethering the helmet to the device. There is evidence showing that the reduction in the number and/or force of head impacts by a HANS device is protective.)
The audience-member also argued that a full-face helmet cuts down on peripheral vision. I completely agree that good peripheral vision is really important for safe riding. I adamantly disagreed with the statement, however, that a full-face helmet interferes with peripheral vision, but I didn’t take the time to give my reasons for believing that way.
It’s true that old full-face helmets have small eye-ports and restrict peripheral vision. But, many modern full-face helmets have wide eye-ports so peripheral vision is not restricted. That was a consideration when I purchased my helmets for motorcycling and car racing.
Another point the audience-member made was that a helmet does nothing to protect the brain in a serious accident and, as was noted above, may make neck injury more likely. I agree that helmets are not protective in a major accident. I know of a rider who was killed while wearing a good helmet.
A helmet will not protect the brain in a catastrophic accident, but a helmet might reduce the severity of a brain injury in a minor accident. A slight impact of the head in a highly-cushioned helmet may lead to no brain injury at all or to a less severe brain injury. But, a slight impact of a helmetless head could lead to a serious brain injury or even be fatal.
The audience-member also mentioned that he’s been riding 40 years without a helmet. I congratulate him for the accomplishment of never having had a serious accident. I too thought I would ride my bike for many years. But, unexpected things happen. One such incident happened to me. It’s why some of us wear safety gear.
The audience-member and I ended by agreeing on a point. We both understand that, during a serious impact, no helmet can protect the jelly-like brain, which exists inside a hard skull.
I understand there is considerable joy in riding totally free and unencumbered. Motorcycles are about freedom, and the principle of individual freedom is paramount for some people. Those of us who wear safety gear are concerned with the significant risk of riding with the lack of precautions. We still experience the feeling of the impressive freedom that comes from riding a motorcycle – just a bit less.
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