Posture Education and Good Ergonomics Tips And Advice

Most of us spend a major part of the day sitting down. Whether it be at a desk, in front of a television, behind the wheel, eating a meal, or in class we spend many of our waking hours seated.

Not sitting properly with good posture can result in a number of problems. Due to bad posture more and more people are experiencing neck and shoulder pain, back pain, and a variety of other physically related discomforts. Most of these complaints stem from bad posture and from not occasionally getting up and out of your office chair from time to time to move the body around.

There are two different modes of sitting. Most people sit in a passive way that is characterized by being slumped, and this puts a great deal of stress on various parts of the body. Passive sitting produces an effect which compresses the joints, especially in the lower back. The other mode of sitting is considered dynamic. In order to change from one way of sitting to the other, we need to understand the two modes.

In passive sitting, the pelvis is slightly rotated underneath the body which causes load bearing on the tail bone and on the back of the sacrum. The load bearing contributes to a rounding of the lumbar curve and an increased curve of the thoracic area of the spine.

As the two lower curves in the spine are positioned into one big curve, it forces the neck to be compressed when the head is lifted as it is when looking at a computer, movie screen or when driving. This results in the neck and shoulders becoming tense in order to support the head.

Another type of passive sitting occurs when someone bends over a desk and supports the head on a bent arm or leans forward. This causes the two curves of the back to bend into one curve and puts a large amount of strain on the lower back and the area in between the shoulder blades. If a person in resting their head on their bent arm it puts pressure on the shoulder of the arm as well as the carpal region of the wrist.

In active sitting, a person sits squarely on the pelvic bones with their weight evenly distributed from front to back and side to side. Active sitting allows for a wider range of motion, and the ability to easily return to a centered position.

In this stable, yet mobile pelvic foundation, the spine can be lifted upward which creates a powerful column composed of the three counterbalancing curves of the spine. This results in lengthened and active spinal curves which then results in a spring like load bearing ability which transforms sitting into a dynamic and strengthening activity.

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Posture Education and Ergonomics