The Forensic Chiropractor

When to order MRIs and other advanced imaging.

Objectively showing ligament damage that is not AOMSI with special guest Melody Bateman

Characteristics of Sagittal vertebral Alignment in Flexion Determined by Dynamic Radiographs of the Cervical Spine.  Published in the Spine Journal 2001.  This study shows an objective way to see if damage to the cervical spine has occurred and when patients fall out of the normal healthy population.  

No damage to the vehicle.

Can patients be hurt in MVC's with no damage to the vehicle?
Published in the 2001 Orthopedic trauma surgery journal titled Risk factors for long-term treatment of whiplash injury in Japan: analysis of 400 cases by Akihiko Hijjioka et al.  

Do low speed no damage collisions create the same injury potential as normal daily activities?

Low speed collisions with no or minimal damage are 2,000 times more likely to cause injury compared to normal daily activities.  
 
Today’s study was published in 2021 in the International Journal of Environmental Research and Public Health by Paul nolet, larry Nordhoff, Vicki Kristman, Arthur Croft, Maurice Zeegers and Michael Freeman.  The article is titled Is Acceleration a Valid Proxy for Injury Risk in Minimal Damage Traffic Crashes? A Comparative Review of Volunteer, ADL and Real-World Studies .  

What is disc pain like?

Do discs have the ability to feel pain?  Should discs be able to feel pain?
 
Nerve supply of the lumbar intervertebral disc published by M.A. Edgar in the Journal of Bone and Joint surgery 2007.  
Nerves are more abundant than blood vessels in the degenerate human intervertebral disc published by Abbie L. A. Binch et al in the Arthritis Research and therapy journal in 2015.
 

Disc herniations and spinal cord injury.

International Journal of Molecular Science titled “Edema after CNS trauma: a Focus on Spinal Cord Injury” published by Mostafa Seblani et al.  

Are there asymptomatic disc herniations?

Journal of Whiplash & Related Disorders 2006 by Anthony D’Antoni and Arthur Croft.

Time dating disc herniations with imaging using disc height

Studies referenced in podcast: The diagnostic value of an x-ray based scoring system for degeneration of the cervical spine: a reproducibility and validation study.  This study was published in the Pain practice journal in 2021 by Maarten vaneerd et al.
The role of radiography in the study of spinal disorders published by Fernando Santiago et al in the quantitative imaging and medicine and surgery journal published in 2020. 

Time dating injuries with MRI and Wolff’s Law

Bone changes with injury and time dating injuries with imaging.
The numerical simulation of osteophyte formation on the edge of the vertebral body using quantitative bone remodeling theory by Gone He and Zhu (Zjoo) xinghau (zingwha) in the spine Journal 2006.   
 
Effects Induced by Osteophytes on the Strain Distribution in the Vertebral Body Under Different Loading Configurations published 2021 in the frontiers in bioengineering and biotechnology by Daniele Marras et al. 

Is subjective evidence important?

Today's episode covers subjective evidence and it's role in new vs. old disc damage.  Article is Imaging the intervertebral disk age-related changes, herniations and radicular pain from the Journal of Radiology Clinical Neurology published in 2014 by Filippo del Grande MD et al.