Home Blog Whiplash – Why Does it Happen? Reviewed By Me, Dr. Tim Harcourt of Coast Chiropractic Centers In Fort Myers.

Whiplash – Why Does it Happen? Reviewed By Me, Dr. Tim Harcourt of Coast Chiropractic Centers In Fort Myers.

Sep 19, 2021 -- Posted by : Dr.Harcourt

Whiplash injuries are most commonly associated with motor vehicle collisions (MVC), although they can happen from anything that results in a sudden movement of the head—from slip and fall injuries, carnival rides, sports-related injuries, and more. When associated with MVCs, the terms “acceleration/deceleration injury” or “whiplash associated disorders (WAD)” are often applied, depending on the direction of the collision. When the striking vehicle rear-ends the target vehicle, the term “acceleration/deceleration injury” is used. WAD encompasses all scenarios and also includes the type and extent of the injury. The degree of injury has been broken down into four main categories with the least amount of injury = WAD I, and the worst soft tissue injury category as WAD III. Fractures are covered separately in the WAD IV category. It has been found that the more severe the soft tissue injury (WAD III > WAD II > WAD I), the worse the prognosis, or the greater the likelihood of long-term injury-related residual problems.

We are often asked why the neck is so vulnerable to injury in a MVC. The simple answer is the head, which weighs about 12-15 pounds (~5-7 kg), is supported by the neck and not all necks have the same length, strength, and mass. This is the reason women (especially those with longer, thin necks) are most vulnerable to the forces that occur in a WAD injury. Another reason whiplash injury can occur is the relatively “slow” speed at which we can voluntarily contract our muscles (>600 msec.) vs. relatively fast speed at which a typical rear-end collision takes to move the head on the neck during whiplash (~300 msec.)! Though the whiplash time duration will vary somewhat, depending on the speed of the collision, angle of the seatback, the distance between the head and the headrest, the “springiness” of the seatback, the weight of the two vehicles, the slipperiness of the road, if the brakes are locked, (…AND MORE!), here’s a typical breakdown of what takes place in a rear-end collision (within a 300 millisecond “typical” time frame):

breakdown of what occurs in rear-end collision 0-300 milliseconds

The degree of injury is affected by all the items previously listed above and more. For example, if the headrest is more than two inches (~5 cm) away from the back of the head, and/or if “ramping” occurs and the head “misses” the headrest, hyper-extension can result and the soft tissues in the front of the neck can become over-stretched and/or the back of the neck can become over-compressed. Or if the rebound phase into flexion exceeds the tissue capacities, the back part of the neck can become over-stretched and the front part over-compressed.

So, if you have had a car accident in Fort Myers and you have neck pain, dizziness, vertigo, or imbalance and type in pain management near me, whiplash, or even car accident lawyer you may find Coast Chiropractic Centers with Dr. Timothy Harcourt, me, comes up. 

You may wonder, “Do I need an MRI scan of my neck or back.”

Also, if you feel arm or leg pain it may indicate things are getting worse and may indicate a bulge on the disc or worse yet a herniated disc in your neck and/or back. Shoulder pain is very common with whiplash and could require conservative treatment right away to avoid injections or worse yet, surgery.  A foggy brain may indicate a mild traumatic brain injury.  Persistent or worsening pain intensity and/or frequency necessitates a visit to see a professional. 

Call me, Dr. Tim Harcourt, at (239) 278-3344 and we will submit the bills to your auto carrier for payment.

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