Wearing a Helmet and Still Concussed? How It Happens

Helmets greatly reduce the risk of skull fracture and severe injury, but they cannot fully stop the brain from moving inside the skull.

How a concussion still happens

Rapid rotation and deceleration can affect the brain even when the head is protected.

Symptoms riders report

Headache, fogginess, light sensitivity, and slower reactions.

Helmets help, and head injuries still happen

Wearing a helmet is one of the most important things a motorcyclist can do, and it substantially reduces the risk of serious head injury. But a helmet is designed mainly to protect the skull from impact. It can't completely prevent the brain from moving inside the skull when the body decelerates suddenly. So a rider who walks away from a crash with an intact helmet can still develop concussion symptoms.

Why riders may underreport symptoms

Motorcycle crashes often cause obvious injuries, such as road rash, fractures, and shoulder or knee damage, that take priority. Riders may also see themselves as tough and resilient and not mention headaches or fogginess. The damaged helmet often goes in the trash before anyone considers what it says about the impact.

What to keep and record

If possible, keep the helmet after a crash instead of throwing it away, and photograph any scrapes, cracks, or dents. Note where the impact seemed to land. Write down whether you remember the crash clearly, whether you lost consciousness, and how you felt in the hours afterward. Pass this information to your treating provider.

Symptoms to track

Track headaches, dizziness, balance problems (particularly relevant for riders), blurred or double vision, sensitivity to light or noise, trouble concentrating, memory lapses, irritability, and sleep changes. Riders should pay particular attention to balance and visual symptoms before getting back on a bike, because riding demands both.

Getting back on the bike

Riding requires sharp attention, balance, and quick visual processing. Talk with your treating provider about when it's safe to ride again, and be honest about any remaining symptoms. Standardized testing may help inform that conversation.

Testing through your provider

If symptoms persist, your treating provider can refer you to Braintree for mobile testing at their office. The physician-reviewed report goes to your provider, who directs your care.

Emergency signs

Severe or worsening headache, repeated vomiting, seizures, weakness or numbness, slurred speech, or confusion after a crash need emergency care immediately. Call 911.

Next steps

Wear a helmet every ride, and see a provider after any crash. Your provider can refer you for standardized testing.

When it's an emergency

Go to the ER right away for a worsening headache, repeated vomiting, a seizure, weakness, slurred speech, or increasing confusion. Mobile testing is not emergency care.

Braintree Health Partners provides diagnostics only. We diagnose. You treat.

Ask your provider to refer you: providers use /referral or call 813-709-3771.

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