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Using Abdominal Muscles is Not Tightening or Pressing Navel to Spine

Jolie Bookspan, M.Ed, PhD, FAWM
Tighten your neck! Sound comfortable? Tighten your legs and walk around! Sound sensible? Yet, many popular exercise programs have insisted on the erroneous practice of tightening abs. I have written articles, posts, and books on why this is not beneficial and what works your abs better. At last, it is making headline news. A big name in spine research, Dr. Stuart McGill, published that "drawing in" the abdominal muscles, also described as "press the navel to spine" is detrimental to health of the lower back, and that tightening the abs impedes normal movement. In Arch Phys Med Rehabil. 2007 Jan;88(1):54-62, authors Grenier and McGill conclude, "There seems to be no mechanical rationale for using an abdominal hollow, or the transversus abdominis, to enhance stability."

This week the headline news of British newspaper "The Daily Mail" followed up with inquiry into the incidence of back pain and injuries using the "drawing in" technique: Is Pilates bad for your back? (A minor note - they accompanied the otherwise good article with an incorrect photo depicting the opposite concept of back extension, not the unnecessary contracted abdominal tightening, which was the point of the article.) Pressing and tightening the abdominals has been an incorrect assumption made into ritual in the fitness industry for many years. However it is not the way your abdominal muscles work to do anything helpful to you.

When you bend your arm, you don't tighten your muscles to do it. In fact, you shouldn't want to. You just move your arm bones using your arm muscles. Abdominal muscles work the same way. You use them to move the body parts they attach to. Voluntarily. Strengthening or tightening won't make them move automatically. You may have a strong arm, but it isn't held up in the air automatically - only when you move it there. Strong, or even tight, abdominal muscles will not automatically support your back. Moving your spine into healthful position is the support.
Moving your spine to neutral should invoke no more tightening than bending your elbow or finger. Tightening prevents relaxed belly breathing. You should be able to inhale fully, expanding the abdomen even when moving to and maintaining neutral spine.

See a short movie of moving from hyperlordosis to neutral spine (tuck hip to neutral) -
Friday Fast Fitness - Neutral Spine in 5 Seconds

Another way to feel how to tuck to reduce hyperlordosis, using a wall like this
- Fast Fitness - How to Feel Change to Neutral Spine

Click this for a description of what abdominal muscles really do:

What Abdominal Muscles Don't Do - The Missing Link

and this for the x-ray view of arching and fixing the arching:
Fixing the Commonest Source of Mystery Lower Back Pain

These short articles show how to use abs when standing and moving in daily life:
Healthier Backpack Carrying to Get Better Exercise and Stop Back Pain
Healthier Carrying - Get Free Ab Exercise and Stop Pain

These show you how to get better, more functional abdominal exercise than tightening or crunches and other forward bending:
Abdominal Muscle Exercise - Better, Different, Not What You Think
If Better Abdominal Muscles Are Your New Year's Resolution, Try This
Throw a Stronger Punch (or Push a Car or Stroller) Using This Back Pain Reduction Technique
Change Common Exercises to Get Better Ab Exercise and Stop Back Pain

Get the book that started the sea-change in understanding abdominal use and functional exercise - The Ab Revolution™ No More Crunches No More Back Pain.


Using your abdominal muscles to move your spine to neutral and out of injurious over-arched position during all you do is good exercise - without tightening.


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photo copyright © Dr. Jolie Bookspan from the book Fix Your Own Pain Without Drugs or Surgery

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