Should You Relax or Brace for Impact During a Car Crash?
Many people have heard the advice that if a crash is unavoidable, it is better to relax than to brace for impact.
Some people even intentionally try to “go limp” when they see a collision coming because they believe being relaxed will reduce their chances of injury.
Others point to stories about drunk drivers surviving serious crashes and conclude that being relaxed must somehow protect the body.
But is that actually true?
The answer is more complicated than most people realize.
Understanding what happens to the body during a collision can help explain why this common belief may not tell the whole story.
Why Crashes Cause Injuries
When a vehicle suddenly changes speed or direction, the occupants inside continue moving due to inertia.
Your vehicle may stop, slow down, or change direction in a fraction of a second. Your body wants to continue moving until something stops it.
That force must be absorbed somewhere.
The question is not whether force exists. The question is how that force moves through the body and which tissues are responsible for handling it.
The Body's Natural Protection System
One of the primary functions of muscles is to help control movement and protect joints.
Muscles act like the body’s natural braking system. When they contract, they can help slow motion, stabilize joints, and absorb some of the forces being placed on the body.
Ligaments, discs, and joint capsules serve a different purpose.
These structures help provide support and stability, but they are not designed to be the body’s primary shock absorbers.
When excessive force is transferred into these tissues, injury can occur.
This is one reason doctors evaluating crash injuries often want to know whether a person saw the collision coming and whether they had time to react.
Why Doctors Ask Whether You Saw the Crash Coming
One question that may seem unimportant to patients is:
“Did you see the collision coming?”
In reality, that detail can help doctors better understand how force may have affected the body.
A person who sees the collision approaching may instinctively tighten muscles, brace, grip the steering wheel, press the brake pedal, or otherwise react before impact.
Another person may have no warning at all.
Neither situation guarantees injury or prevents injury. However, the body’s response to the impending collision may influence how force is transmitted through muscles, joints, ligaments, discs, and other tissues.
This is one of many factors doctors consider when evaluating crash-related injuries.
The Myth About Drunk Drivers
One of the most common explanations people give for relaxing during a crash is the belief that drunk drivers are injured less often because they are relaxed.
This idea has been repeated for years, but it oversimplifies a very complex subject.
The outcome of a crash depends on many factors, including:
- Vehicle speed
- Direction of impact
- Seat belt use
- Airbag deployment
- Body position
- Vehicle size and weight
- Multiple impacts
- Road conditions
- Occupant size and health
- Whether the collision was expected
No single factor determines who gets injured and who does not.
The fact that an intoxicated person survived or appeared less injured in a particular crash does not prove that relaxation prevents injury.
In reality, intoxicated drivers are frequently injured, sometimes severely.
Crash outcomes are influenced by countless variables, making it impossible to point to one factor and assume it explains the result.
Why Two People Can Experience the Same Crash Differently
One of the most important concepts in crash injuries is that people experience collisions differently.
Two occupants can be sitting in the same vehicle and have completely different outcomes.
One person may be sitting upright and facing forward.
Another may be looking over their shoulder, reaching for something, talking to a passenger, or turning to protect a child.
The forces acting on those two bodies may be very different, even though they experienced the same collision.
That is why doctors who understand crash injuries often ask detailed questions about exactly what the patient was doing at the moment of impact.
Why Understanding the Mechanism of Injury Matters
The goal of an injury evaluation is not simply to document that a crash occurred.
The goal is to understand how the forces of the collision affected the patient.
Questions about body position, awareness of the collision, braking, steering wheel grip, impact direction, and other details help create a clearer picture of how injuries may have occurred.
Those details can help identify injured tissues, guide treatment recommendations, and create a more complete understanding of the patient’s condition.
The Bottom Line
There is no simple rule that says relaxing prevents injury or that bracing guarantees protection.
Crash injuries are influenced by many factors, including how force moves through the body, how the body responds before impact, and what structures ultimately absorb that force.
What matters most is understanding what happened to your body during the collision.
That information can help doctors identify injuries, explain symptoms, and develop an appropriate treatment plan for recovery.
If you have been injured in a crash, Billings Chiropractic Injury Clinic can help evaluate your injuries, document the mechanics of the collision, and guide you through the recovery process.
About the Author
Dr. Jeff Mitchell, DC, CICE
Dr. Mitchell is a speaker, coach, researcher, and treating physician for victims of car crashes. At Billings Chiropractic Injury Clinic, he’s dedicated his 20+ year career to helping people heal fully, not just “patch the pain.”
