Does your working day is many hours sitting in a chair – keyboard, talking on the phone, surfing the Web, and meeting with clients and coworkers? What about your back, neck, shoulders and back pay the price?
Like choosing a car that has adjustable seats so you can see over the wheel and drive safely, its important to "prove" a new office chair before buying so you can find one that fits properly for its weight and dimensions. After all, you're going to spend much time sitting in that chair!
Research of the National Institutes of Health (NIH), The Security Division of the University of California at Berkeley, Health Services Department and Cornell University Human Factors and Ergonomics Research Group indicated that there are certain factors that contribute to maximum comfort and safety in the office chairs.
Height: Since it is important to sit comfortably with both feet on the floor, a chair with gas-lift height controls to adjust for different heights of the shin.
Seat: A seat of the chair should be comfortable for a long period of time. Make sure the seat has enough resistant foam padding to reduce tension in the hips and thighs. Must be large enough to provide at least an inch of space on both sides of his body. "Waterfall" seat contour type can relieve pressure on the back of the thighs. If your chair has seat depth controls, you can adjust the front edge of the President and it is 2.3 inches in the back of the knees. If the back of your legs touching the edge of your seat, you may not rely on back of chair.
Support: Find a chair with an adjustable backrest that raises or lowers to a height that supports the curve of the back, especially the lumbar curve of the lower back. Adequate lumbar support is a necessity to avoid stress on your spine. Back of a chair should also be slightly curved to follow the natural contours of the spine. You should be able to adjust the seat tilt up and down independent backrest. Recliners resting muscles of the back, while a forward tilt encourages good posture and making new tension in the muscles and discs of the spine. The control of tilt tension also lets you adjust for different body weights and allows the rock or tilt the chair with the right amount resistance.
Arms: well-padded arms that adjust in height and width may help maintain a straight wrist posture for computer work, avoiding carpal tunnel syndrome and reducing muscle pain in the neck, shoulders and back. Armrests that are too high will not allow you to relax your shoulders, arms while they are too long can prevent you from getting close enough to your desk and can cause trouble again. Arm spaced too far apart will elbows protruding from his body so uncomfortable.
Health and safety: Always look for durable construction that has been tested and certified. The best chairs have caster wheels that allow easy movement of the chair on the floor, and five point base provides stability and minimizes the chance of tipping the chair. Adjustment controls should be easy to operate from a sitting position and requires strong hand movements. Office chairs come in vinyl, leather and fabric. Upholstery fabric is not as easy to clean as vinyl, cloth cover and foam dust mites can harbor. However, vinyl siding or leather does not breathe as easily as cloth, that can cause discomfort after prolonged sitting.
And finally, remember to get off your ass every hour for a good stretch. Your body will thank you!
WildKat armchair transfer
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