Categories: ChiropracticWhiplash

Whiplash Injuries: El Paso Neck Chiropractor

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Whiplash is a neck injury where, because loads and displacements develop in the neck, they have become the main interest in the study of whiplash injury mechanisms. Human subject studies, however, have only reported the peak speed of the head relative to a fixed reference frame.

 

Since head acceleration is often the result of the head-restraint impact, these peak values might be conducive to whiplash injury and do not reflect loads developed in the tissues of the neck. The kinematics of the head have been computed relative to the axis between the C7-T1 vertebra to supply a better indication of the dynamics. The first peak in the acceleration trace results from the torso’s acceleration relative to the still-stationary head.

 

This peak is the larger and later acceleration peak, governed by the impact between the head restraint and the head. When head acceleration is measured, a result that highlights the importance of quantifying the head’s relative rather than absolute dynamics, the first negative peak isn’t observed.

 

Cause of Whiplash Injuries

Cadaveric, animal and human subject experiments have led investigators to propose various anatomical sites for whiplash injury, including the cervical facet joints, facet capsular ligaments, vertebral arteries, dorsal root ganglia, craniovertebral junction, and cervical muscles. Muscle injury could be responsible for some symptoms in patients; however, of the anatomical sites listed above, only the facet joints have been linked to chronic whiplash pain. The facet joints have become the focus of research directed at understanding the mechanical basis for chronic whiplash injuries.

 

In a study conducted by researchers and colleagues (1996), chronic whiplash pain was relieved in about 60% of whiplash patients by anesthetizing medial branches of the cervical dorsal rami. Articular branches from these nerves run through the capsular tissues and presumably originate in the capsular tissue from mechanoreceptors and nociceptors. Possible injury sites inside the facet joints include fractures of the bony elements, bruising of the rectal folds (menisci), or ruptures or tears of the capsular ligament. Skeletal fractures and aspect hemarthroses are not commonly observed in whiplash patients and are therefore related to loading. Bruising of the folds is common after fatal chest or head injury, and motions of the cervical vertebra consistent with this type of injury have been documented during the severe loading associated with whiplash injury in human subjects.

 

 

Cineradiography used to inspect the intervertebral motion of subjects exposed to simulated influences has shown that the C5 vertebra rotates about a stage than during voluntary expansion moves. This movement pattern resulted in compression of the facet joints posteriorly through impact-induced motion during activity and increased distraction of the vertebral bodies anteriorly. These researchers proposed that the posterior synovial fold might be pinched by rear compression of the facet joints though this altered motion was detected in only four of six subjects. This proposed mechanism of injury is promising. Follow-up research that quantifies the loads applied to the meniscus during whiplash exposures and the loads necessary to injure the meniscus is needed to confirm whether this proposed injury mechanism occurs at the loads generated during collisions that produce a whiplash injury.

 

 

 

The facet joint capsules contain fine, unmyelinated nerves that likely have a nociceptive function. Distending these ligaments by injection of contrast media has generated whiplash-like pain patterns in normal individuals. Tears or ruptures to the cervical facet joint capsular ligaments have also been observed under severe loading conditions. Excess capsular ligament strain was proposed as a mechanism for whiplash injury under minor- to moderate-loading requirements. With subsequent loading to failure, the technology strain in the capsular ligaments under both whiplash-like heaps and cadaveric motion sections has recently been quantified. Maximum strains in the facet joint capsular ligaments under loads were, on average, half. In two of the 13 specimens, the top songs observed in the ligament under whiplash-like heaps were larger than those detected in their initial failure.

 

 

This finding suggested that the neck loads developed during an automobile accident could injure some individuals’ facet capsular ligaments. Further work is needed to determine if these ruptures generate pain and whether the subcatastrophic failures identified with breaks inside the capsular ligaments in the response of the tissues correlate.

 

Whiplash injury has proved difficult to research because its pathoanatomy has remained poorly understood. The facet joints have been isolated as a site of chronic pain in many populations.

 

A better understanding of the etiology of whiplash injury will lead to improved care and injury prevention methods. Human subject testing has provided the essential kinematic and kinetic response information needed to conduct tests of those cells, and tissue evaluations have led to a possible mechanical explanation for whiplash injury. Additional research is required to complete the connection between the whiplash symptoms experienced by some people and an automobile accident.

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The scope of our information is limited to chiropractic and spinal injuries and conditions. To discuss options on the subject matter, please ask Dr. Jimenez or contact us at 915-850-0900.

 

By Dr. Alex Jimenez

 

Additional Topics: Automobile Accident Injuries

 

Whiplash, among other automobile accident injuries, is frequently reported by victims of an auto collision, regardless of the severity and grade of the accident. Whiplash is generally the result of an abrupt, back-and-forth jolt of the head and neck in any direction. The sheer force of an impact can cause damage or injury to the cervical spine and the rest of the spine. Fortunately, a variety of treatments are available to treat automobile accident injuries.

 

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Professional Scope of Practice *

The information herein on "Whiplash Injuries: El Paso Neck Chiropractor" is not intended to replace a one-on-one relationship with a qualified health care professional or licensed physician and is not medical advice. We encourage you to make healthcare decisions based on your research and partnership with a qualified healthcare professional.

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Our information scope is limited to Chiropractic, musculoskeletal, physical medicines, wellness, contributing etiological viscerosomatic disturbances within clinical presentations, associated somatovisceral reflex clinical dynamics, subluxation complexes, sensitive health issues, and/or functional medicine articles, topics, and discussions.

We provide and present clinical collaboration with specialists from various disciplines. Each specialist is governed by their professional scope of practice and their jurisdiction of licensure. We use functional health & wellness protocols to treat and support care for the injuries or disorders of the musculoskeletal system.

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Dr. Alex Jimenez DC, MSACP, RN*, CCST, IFMCP*, CIFM*, ATN*

email: coach@elpasofunctionalmedicine.com

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Welcome-Bienvenido's to our blog. We focus on treating severe spinal disabilities and injuries. We also treat Sciatica, Neck and Back Pain, Whiplash, Headaches, Knee Injuries, Sports Injuries, Dizziness, Poor Sleep, Arthritis. We use advanced proven therapies focused on optimal mobility, health, fitness, and structural conditioning. We use Individualized Diet Plans, Specialized Chiropractic Techniques, Mobility-Agility Training, Adapted Cross-Fit Protocols, and the "PUSH System" to treat patients suffering from various injuries and health problems. If you would like to learn more about a Doctor of Chiropractic who uses advanced progressive techniques to facilitate complete physical health, please connect with me. We focus on simplicity to help restore mobility and recovery. I'd love to see you. Connect!

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