Show Notes for July 25, 2014

Hello and welcome to this week’s edition of HealthBeat, Chiropractic OnLine Today’s Health, News and Informational Podcast.

In this week’s news: We’ll Be Looking At –

  • Obesity and Disc Disease
  • And Finally, a Story about Spinal Mobilization and the Sympathetic Nervous System

For HealthBeat, This is Dr. Todd Eglow!

Welcome to HealthBeat Podcast #469 recorded July 25, 2014.

HealthBeat is Chiropractic OnLine Today’s radio program, providing current news and commentary about Chiropractic and Health.

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And Now for some news ….


Obesity and Disc Disease

A recent study in the journal Spine was published to investigate the relationships between obesity, disc height, and low back pain in the lumbosacral spine.

Although obesity is a recognized risk factor for low back pain, our understanding of the mechanisms for this is limited. The evidence for an association between obesity and spinal structural changes is also conflicting.

The study concluded that Obesity was associated with reduced disc height in the lumbar spine, but not at the lumbosacral junction, suggesting these joints may have different risk factors.

There was also evidence for an inter-relationship between obesity, lumbar disc height, and recent pain, suggesting that structural changes have a role in back pain and may in part explain the association between obesity and back pain.

Surf to our Show Notes for Links –


Spinal Mobilization and the Sympathetic Nervous System

The activity of the sympathetic nervous system is of importance to manual therapists, since the experience of pain is associated with sympathetic activity.

There has been little exploration into the effects of mobilizing vertebral segments below the cervical spine. In addition to this, a synthesis of the evidence for changes in sympathetic outcome measures has not been completed.

The primary aim of a recent review in the journal Manual Therapy, was to investigate the effects of spinal mobilizations compared to a control or placebo on sympathetic outcome measures. The secondary aim was to establish the level of change, either excitatory or inhibitory, in sympathetic outcome measures.

All included studies demonstrated a consistent increase in sympathetic outcome measures, indicative of sympathetic excitation, irrespective of the segments mobilized.

Synthesis of the results established strong evidence (another words multiple high-quality randomized controlled trials (RCTs) for a positive change in skin conductance, respiratory rate, blood pressure, and heart rate among the healthy population.

As only one study investigated changes in a symptomatic population, there was limited evidence (one RCT) for an increase in skin conductance and decrease in skin temperature.

Evidence from this systematic review supports a sympatho-excitatory response to spinal mobilizations irrespective of the segment mobilized.

Surf to our Show Notes for Links –



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Finally, I leave you with the following quote:

The price of anything is the amount of life you exchange for it.”
– Henry David Thoreau

For Chiropractic OnLine Today’s HealthBeat, This has been Dr. Todd Eglow.


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