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"Stand tall, sit straight!" How often we heard that as children. At
my school, Collegiate School for Girls in Port Elizabeth, those who walked
tall with ramrod backs won a white belt to wear round their waist. All
the world could see they were number one in deportment.
Needless to say I rebelled and am round-shouldered to this day.
It turns out my school was wrong. New research shows that sitting in
an upright 90-degree position places more strain on our back than sitting
slightly reclined at 135-degrees.
"Everybody knows that if you sit for long periods you have back pain,"
Dr Waseem Amir Bashir, a radiologist from the University of Alberta Hospital
in Canada told Reuters Health in November, 2006.
Back pain is the most common cause of work-related disability in the
United States. |
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Best Position
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Dr. Bashir used MRI to study 22 healthy adults with no history of back
pain as they sat in three different positions:
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a slouching position in which the body is hunched forward, as over a keyboard;
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an upright straight-back position with legs at 90-degrees and knees and
hips at the same level;
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a "relaxed" 135-degree tilt position.
"At this 135-degree tilt, the legs are lower than the hips, and the back
is slightly forward with a normal curvature which provides lumbar support,"
Bashir explained.
"We found this 135-degrees to be the ideal sitting position because
it's similar to a neutral relaxed lying down position." |
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Worst Position
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Potentially harmful spinal disk movement was most pronounced with the
90-degree sitting position. "In this 90-degrees, you are actually straining
your back against gravity," Bashir noted.
As expected, "the bending forward or slouching position is the worst
sitting position for your back.". |
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Back Exercises
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I find the best way to feel good at the end of the day is to jump on
my rebounder every hour or so. I bought a watch that chimes every hour
to remind me to STOP what I'm doing, and Jump!
This also gets your lymph circulating, especially good for the tiny
capillaries behind your eyes. You know that finger joints and eyes suffer
most at the hands of a computer. Look out to the horizon and all around
as you jump.
Of course lymphasizing (another word for rebounding) quickly removes
toxins from cells and brings fresh nutrients in. Our lymph is the fluid
surrounding every single cell.
By fisting and flexing your fingers while you jump, and twirling your
wrists around, you also relieve the RSI (repetitive stress injury) from
keyboard and mouse.
Rebounder for Lymphasizing
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Tel:
+1-989-689-0005
