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 –
- Exercises to Activate the Deeper Abdominal Wall Muscles
- And Finally, a Story about Gut Microbes Probiotics and Autism
For HealthBeat …. This is Dr. Todd Eglow!
Welcome to HealthBeat Podcast #554 recorded June 24, 2016.
HealthBeat is Chiropractic OnLine Today’s radio program, providing current news and commentary about Chiropractic and Health.
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Exercises to Activate the Deeper Abdominal Wall Muscles
The abdominal wall is a prime target for therapeutic exercises aimed to prevent and rehabilitate low back pain and to enhance performance training.
A study, published in the Journal of Strength and Conditioning Research, examined the “Lewit,” a corrective exercise prescribed for several purposes, which is performed lying supine in a crook-lying position and involves forceful breathing.
Muscle activation and lumbar posture were compared with bracing the abdominal wall (stiffening) with robust effort and “hollowing” (attempting to draw in the wall toward the naval) with robust effort.
Eight healthy male volunteers with 6 channels of electromyography were collected by means of surface electrode pairs of the rectus abdominis, external oblique, and internal oblique (IO) together with lumbar motion.
The Lewit exercise caused higher muscle activity in the deeper abdominal wall muscles, in particular the internal oblique and by default the transverse abdominis were activated at 54% maximum voluntary contractions (MVCs) on average and 84% MVC peak with no change in spine posture to maintain the elastic equilibrium of the lumbar spine.
The Lewit is a deep oblique muscle activation exercise, and the activation levels are of a sufficient magnitude for training muscle engrams.
This information will assist strength and conditioning coaches with program design decisions where this corrective abdominal exercise may be considered for clients who elevate the rib cage during strength exertions, or for clients targeting the deep obliques.
Surf to our Show notes for Links – http://journals.lww.com/nsca-jscr/Abstract/2014/03000/Exercises_to_Activate_the_Deeper_Abdominal_Wall.32.aspx
Gut Microbes Probiotics and Autism
Maternal obesity during pregnancy has been associated with increased risk of neurodevelopmental disorders, including autism spectrum disorder (ASD), in offspring. Here, we report that maternal high-fat diet (MHFD) induces a shift in microbial ecology that negatively impacts offspring social behavior.
Social deficits and gut microbiota dysbiosis in MHFD offspring are prevented by co-housing with offspring of mothers on a regular diet (MRD) and transferable to germ-free mice.
In addition, social interaction induces synaptic potentiation (LTP) in the ventral tegmental area (VTA) of mothers on a regular diet, but not maternal high-fat diet offspring.
Moreover, maternal high-fat diet offspring had fewer oxytocin immunoreactive neurons in the hypothalamus.
Using metagenomics and precision microbiota reconstitution, we identified a single commensal strain that corrects oxytocin levels, synaptic potentiation, and social deficits in MHFD offspring.
The authors’ findings causally link maternal diet, gut microbial imbalance, ventral tegmental area plasticity, and behavior and suggest that probiotic treatment may relieve specific behavioral abnormalities associated with neurodevelopmental disorders.
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– Harriet Tubman
For Chiropractic OnLine Today’s HealthBeat, This has been
Dr. Todd Eglow.