Vacuum PhenomenonDynamic Disc Designs Corp.
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Vacuum Phenomenon – What is it and can it tell us anything about the dynamics of the spine?

Goal of the Study? Intradiscal vacuum phenomenon is a commonly observed radiological finding in the spine but not much is known about its pathophysiology. A recent paper was published in The European Spine Journal[1.Advanced disc degeneration,…
Disc Degeneration Model
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Compression and Bending (Not only Bending) Caused Disc Herniation in this Animal Model Research

Goal of the Study? In this primary research article [1. A novel rat tail disc degeneration model induced by static bending and compression], the authors aim to establish an animal model that can be extrapolated to the complex mechanical load…
Lumbar Disc Model
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A systematic review and meta-analysis on the efficacy of physiotherapy intervention in the management of lumbar prolapsed intervertebral disc

Goal of the Study? In this review [1. A systematic review and meta-analysis on the efficacy of physiotherapy intervention in management of lumbar prolapsed intervertebral disc] the authors evaluated the efficacy of physical therapy interventions…
Disc Herniation Spondylolisthesis
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Disc Herniation Over-reported with Spondylolisthesis – Research

Spondylolisthesis is the slippage of one vertebra on another—frequently found with disc herniation. However, in this recent paper titled: "Over-reporting of the disc herniation in lumbar spine MRI scans performed for patients with spondylolisthesis"…
Stuart McGill, ddd spinal models
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Stuart McGill Uses ddd Spinal Models to Demonstrate the Cumulative Nature of Delamination and Disc Bulges

In an online interview with Bill Morgan, President of Parker University, world-renowned spine researcher and scientist, Stuart McGill, uses dynamic disc models from Dynamic Disc Designs to explain lumbar disc herniations, extrusions, and the…
Fibromyalgia Patients, cervical spineJerome Fryer
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New Study Finds Evidence of Altered CNS Activity in Fibromyalgia Patients

A 2018 study [1. Altered Cervical Spinal Cord Resting State Activity in Fibromyalgia] of resting state functional magnetic resonance imaging (rs-fMRI) of the cervical spinal cord in fibromyalgia patients and control subjects found there was…
Diurnal Disc Shape
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Diurnal Disc Shape and Height Changes – Basic Science and Natural Variations to Understand Back Pain

The spine undergoes natural shape and fluid changes over the course of 24 hours. Often, back pain symptoms vary as well over the day and night cycle.  But the small changes and the links to pain have not been researched thoroughly. Here,…
intradiscal pressure, model
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Exploring the Link Between Lower Back Pain, Disc Degeneration and Intradiscal Pressure

A study of in vivo intradiscal pressure in subjects with and without lower back pain (LBP) sought to find out how disc degeneration affects intradiscal pressure, measure the loading capacity of the L4/L5 IVD segment, and determine any relationship…
Sciatica, disc, model
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sciatica – coughing, sneezing and straining

Sciatica is often worsened by coughing, sneezing and straining. It is a sign that patients complain about in the case of back pain. In some, the act of coughing or sneezing can actually cause a disc herniation. In a recent study in The European…