Hello and welcome to this week’s edition of HealthBeat, Chiropractic OnLine Today’s Health, News and Informational Podcast, and Proud to be the #1 Search Result for Chiropractic Podcasts in the iTunes Podcast Directory.
In this week’s news: We’ll Be Looking At –
- Best Time To Exercise
- Smoking Cessation and Low Back Pain
- And Finally a Story about Exercise and Body Mass
For HealthBeat, Wishing Everyone a Safe, Healthy and Happy New Year – This is Dr. Todd Eglow!
Welcome to HealthBeat Podcast #390, recorded December 28, 2012.
HealthBeat is Chiropractic OnLine Today’s radio program, providing current news and commentary about Chiropractic and Health.
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Best Time To Exercise
The circadian system co-ordinates the temporal patterning of behaviour and many underlying biological processes.
In some cases, the regulated outputs of the circadian system, such as activity, may be able to feed back to alter core clock processes.
In a recent study published in the Journal of Physiology, the authors used four wheel-access conditions (no access; free access; early night; and late night) to manipulate the duration and timing of activity while under the influence of a light-dark cycle.
In wild-type mice, scheduled wheel access was able to increase ambulatory activity, inducing a level of exercise driven at various phases of the light-dark cycle. Scheduled exercise also manipulated the magnitude and phasing of the circadian-regulated outputs of heart rate and body temperature.
The authors found that scheduled wheel access during the late night improved many of the behavioural, physiological and molecular deficits previously described in vasointestinal polypeptide-deficient mice.
The Authors’ results raise the possibility that scheduled exercise could be used as a tool to modulate daily rhythms and, when applied, may counteract some of the negative impacts of ageing and disease on the circadian system.
As always, discuss all Exercise recommendations with your Qualified Health Care Provider.
Surf to our Show Notes for Links – http://www.ncbi.nlm.nih.gov/pubmed/22988135
Smoking Cessation and Low Back Pain
Cessation of smoking in patients with a spinal disorder was significantly associated with less back pain than in patients who continued smoking, according to a recently published study.
The authors of the study stated “We know that nicotine increases pain. In this study, if you quit smoking during treatment, you got better.”
“If you continued to smoke, there was statistically no improvement, regardless of the treatment you had. Basically, the likelihood to improve your care – surgical or non-surgical – was dramatically decreased if you are a smoker.”
The authors of the study found that of 5,333 patients with axial or radicular pain, patients who never smoked or ceased smoking during the study period reported significantly better VAS scores compared to patients who continued smoking, according to the abstract.
Oswestry Disability Index scores in non-smokers also showed a greater mean improvement than in smokers, the researchers noted.
The study measured VAS pain during three different time periods – worst, current and weekly pain levels – and current smokers reported significantly greater pain than all other groups in the three areas, according to the abstract.
“This study supports the need for smoking cessation programs for patients with a painful spinal disorder given a strong association between improved patient reported pain and smoking cessation.”
Surf to our Show Notes for Links – http://jbjs.org/data/Journals/JBJS/25493/2161.pdf
Exercise and Body Mass
A recent study published in the Journal of Applied Physiology, looked at the fluid conversation of which type of exercise is best for body mass and fat mass on overweight and obese adults.
Recent guidelines on exercise for weight loss and weight maintenance include resistance training as part of the exercise prescription.
Yet few studies have compared the effects of similar amounts of aerobic and resistance training on body mass and fat mass in overweight adults.
In this study, a randomized trial, compared aerobic training, resistance training, and a combination of the two to determine the optimal mode of exercise for obesity reduction.
Participants were 119 sedentary, overweight or obese adults who were randomized to one of three 8-mo exercise protocols: 1) RT: resistance training, 2) AT: aerobic training, and 3) AT/RT: aerobic and resistance training (combination of AT and RT).
Primary outcomes included total body mass, fat mass, and lean body mass.
The AT and AT/RT groups reduced total body mass and fat mass more than RT, but they were not different from each other.
RT and AT/RT increased lean body mass more than AT. While requiring double the time commitment, a program of combined AT and RT did not result in significantly more fat mass or body mass reductions over AT alone.
Balancing time commitments against health benefits, it appears that AT is the optimal mode of exercise for reducing fat mass and body mass, while a program including RT is needed for increasing lean mass in middle-aged, overweight/obese individuals.
As always, discuss all Exercise Recommendations with your Qualified Health Care Provider.
Surf to our Show Notes for Links – http://jap.physiology.org/content/113/12/1831.abstract
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Finally, I leave you with the following quote:
“While we try to teach our children all about life, our children teach us what life is all about.”
– Angela Schwindt
For Chiropractic OnLine Today’s HealthBeat, Again Wishing Everyone a Safe, Healthy and Happy New Year This is Dr. Todd Eglow.