Show Notes for June 27, 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 –

  • Frequent exercising, abdominal bracing can help lower back pain
  • And Finally, a Story About the Acute Effect of Passive Static Stretching on Lower-Body Strength

For HealthBeat, This is Dr. Todd Eglow!

Welcome to HealthBeat Podcast #465 recorded June 27, 2014.

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

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RSS Info – In this edition of HealthBeat, we discuss Frequent Exercising Abdominal bracing helping lower back pain, And Finally, a Story About the Acute Effect of Passive Static Stretching on Lower-Body Strength.


Frequent exercising, abdominal bracing can help lower back pain

In a randomized prevention trial, frequent exercise and abdominal bracing were effective in alleviating recurring lower back pain, and frequency was more important than the exercise type, duration or intensity.

Researchers included 600 patients with lower back pain (LBP) to compare the long-term effects of strengthening vs. flexibility exercises to alleviate LBP. The study also analyzed the effect of abdominal bracing combined with exercising for the treatment of LBP.

Patients were randomly assigned to one of four exercise groups:  strengthening, flexibility, strengthening plus abdominal bracing and flexibility plus abdominal bracing.

Frequency, intensity and duration of pain, and frequency, intensity and duration of exercises were recorded in each patient at the start of the study and at the end of 10 consecutive years.

All of the patient groups showed significant improvement in pain outcomes at the 2-year mark (P < .05) but gradually worsened thereafter.

At the end of 10 years, pain frequency was 1.68 times lower and pain duration was 1.55 times shorter in the bracing groups vs. the non-bracing groups. Exercise frequency was 0.68 times higher in the bracing groups compared with the non-bracing groups; however, no correlations were found between pain outcomes and exercise duration or intensity, according to the researchers.

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Acute Effect of Passive Static Stretching on Lower-Body Strength

The purpose of an investigation published in the Journal of Strength and Conditioning Research, was conducted to determine the acute effect of passive static stretching (PSS) of the lower-body musculature on lower-body strength in a 1 repetition maximum squat exercise in young (18-24 years.) moderately trained men.

Two supervised warm-up treatments were applied before each performance testing session using a counterbalanced design on nonconsecutive days.

The first treatment consisted of an active dynamic warm-up (AD) with resistance machines (i.e., leg extension/leg flexion) and free weights (i.e., barbell squat), whereas the second treatment added passive static stretching of the lower body plus the active dynamic warm-up treatment.

A significant decrease in repetition maximum (8.36%) and lower-body stability (22.68%) was observed after the passive static stretching treatment. Plausible explanations for this observation may be related to a more compliant muscle tendon unit and/or altered or impaired neurologic function in the active musculature.

It is also possible that strength was impaired by the passive static stretching because of joint instability.

The findings of this study suggest that intensive stretching such as lower-body passive static stretching should be avoided before training the lower body or performing the 1 repetition maximum in the squat exercise in favor of an active dynamic warm-up dynamic warm-up using resistance training equipment in the lower-body musculature.

As always, discuss all Exercise related recommendations with your Qualified Health Care Professional.

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Finally, I leave you with the following quote:

What we see depends mainly on what we look for.”
– John Lubbock

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


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