LxH Model

In this video, Dr. Jerome Fryer, of Dynamic Disc Designs, shares the newest version of the LxH model, which contains a malleable disc bulge. He explains how using this model—inspired by the nomenclature and definitions of Fardon’s research paper in the Spine Journal1— can help practitioners demonstrate to patients the biomechanics of what is happening in the spine when they are suffering from a disc bulge. 

“[Fardon] defines the disc bulge [as extending] beyond the endplate, [past] its full circumference,” explains Fryer. “This model has a disc bulge extending beyond the… border [at] L4. 

 

Insights into Annular Thinning, Protrusions

Fryer says the new model also contains a protrusion with annular thinning on the left side which is helpful in explaining the nature and definition of protrusion. 

“It’s a contained nucleus with a thinned annular wall,” he says. “So now people can really understand what load looks like and what a disc bulge is.”

He likens the condition to a low pressured car tire—something most adults will be able to relate to when shown a visual model. 

disc bulge, tire bulge

About Dynamic Disc Designs

Fryer creates his Dynamic Disc Design lumbar and cervical spine models in the belief that better understanding the spine will empower patients, encourage stronger clinician-to-patient trust, and lead to more a more positive treatment outcome for spinal patients. For more information on ordering any of the Dynamic Disc Design products, and for up-to-date research on hundreds of spine and pain topics, visit Dynamic Disc Designs

 

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