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Renew Chiropractic | Article

Whiplash Spinal Care

2/2/2015
A whiplash accident occurs when one motor vehicle strikes another from behind, causing certain forces to be transmitted from the striking vehicle to the struck vehicle. These forces are then transmitted to the occupant(s) of the struck vehicle, where they have the potential to cause whiplash injury.

Research Findings on Whiplash Accidents

Research both in the Biomechanics Laboratory at Yale University in New Haven and in live crash tests using human volunteers has shed relatively new light on the contortions the cervical spine (neck) undergoes as a result of impact culminating in whiplash.1, 2
•See Cervical Spine Anatomy and Neck Pain

Shortly after impact (about 150 milliseconds), the cervical spine undergoes what is called an S-shaped curve. In this configuration, the cervical spine, rather than simply being curved to the front in a normal C-shape, as it would normally be at rest, takes on an altered shape:
•The lower part of the cervical spine moves into extension (bent backward)
•The upper part of the cervical spine moves into flexion (bent forward).

When a whiplash accident occurs, the lower part of the cervical spine moves well beyond its normal range of motion, causing the potential for injury to the ligaments and discs in that area. The upper part of the cervical spine also moves beyond its normal range of motion, but to a lesser extent.