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 –
- Fat Infiltration of Paraspinal Muscles and LBP
- And Finally, a Story about Multifidus Muscle Changes After Back Injury
For HealthBeat …. This is Dr. Todd Eglow!
Welcome to HealthBeat Podcast #540 recorded February 19, 2016.
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 ….
Fat Infiltration of Paraspinal Muscles and LBP
Low back pain and disability are major public health problems and may be related to paraspinal muscle abnormalities, such as a reduction in muscle size and muscle fat content.
The aim of a study published in The Spine Journal, was to examine the associations between paraspinal muscle size and fat content with lumbar spine symptoms and structure.
This was a community-based magnetic resonance imaging (MRI) cohort study.
The study concluded that paraspinal fat infiltration, but not muscle cross sectional area, was associated with high-intensity pain/disability and structural abnormalities in the lumbar spine.
Although cause and effect cannot be determined from this cross-sectional study, longitudinal data will help to determine whether disabling low back pain and structural abnormalities of the spine are a cause or result of fat replacement of paraspinal muscles.
Surf to our Show Notes for Links – http://www.thespinejournalonline.com/article/S1529-9430%2815%2900326-5/pdf
Multifidus Muscle Changes After Back Injury
A study was published in the journal Spine to investigate putative cellular mechanisms to explain structural changes in muscle and adipose and connective tissues of the back muscles after intervertebral disc (IVD) injury.
Structural back muscle changes are ubiquitous with back pain/injury and considered relevant for outcome, but their exact nature, time course, and cellular mechanisms remain elusive.
The authors of the study used an animal model that produces phenotypic back muscle changes after IVD injury to study these issues at the cellular/molecular level.
The study concluded that this study provides cellular evidence that refutes the presence of multifidus muscle atrophy accompanying IVD degeneration at this intermediate time point.
Instead, adipose/connective tissue increased in parallel with the expression of the genes that provide putative mechanisms for multifidus structural remodeling. This provides novel targets for pharmacological and physical interventions.
Surf to our Show Notes for Links – http://www.ncbi.nlm.nih.gov/pubmed/25943090/
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For Chiropractic OnLine Today’s HealthBeat, This has been
Dr. Todd Eglow.