You've Been in a Car Accident — Here's What Happens to Your Body

The human body is not designed to absorb the forces generated in a motor vehicle collision. Even a relatively low-speed rear-end impact can produce violent acceleration and deceleration forces that the spine and soft tissues are simply not built to handle. Understanding what happens biomechanically during a crash helps explain why injuries that seem minor at first can become significant problems weeks or months later.

The Physics of a Crash

Research by crash investigators Croft, Freeman, and Bailey has documented that even collisions at speeds of 5–10 mph can generate enough force to injure spinal ligaments and muscles. In a rear-end collision, the occupant's torso is pushed forward by the seat while the head lags behind — creating a whipping motion that can stretch or tear soft tissues in the cervical spine in milliseconds.

Why Symptoms Are Often Delayed

Adrenaline released during and after a crash acts as a natural painkiller. Many patients report feeling fine immediately after an accident, only to wake up the next morning — or several days later — with significant stiffness, pain, and reduced range of motion. This delay does not mean the injury is less serious. It often means tissue inflammation and muscle splinting are setting in.

Common Injuries in Motor Vehicle Accidents

• Whiplash (cervical acceleration-deceleration injury)
• Herniated or bulging discs
• Facet joint sprains
• Soft tissue tears in the shoulders, back, and hips
• Nerve root irritation causing radiating pain or numbness
• Concussion and traumatic brain injury

What to Do After a Crash

Seek evaluation promptly, even if you feel okay. At Total Health Family Clinic, we perform comprehensive post-accident assessments at our Hyattsville and District Heights locations. We work on a lien basis with your personal injury attorney, so you can begin care immediately without out-of-pocket cost.