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Sitting is a basic action and resting position in which the body weight is supported primarily by the bony ischial tuberosities with the buttocks in contact with the ground or a horizontal surface such as a chair seat, instead of by the lower limbs as in standing, squatting or kneeling.
The active and controlled postural positions in sitting are believed to activate and strengthen muscles in the back and core area, [9] to relieve the static loads acting on joints, ligaments, and tendons, and to promote circulation for elimination of waste products. Thus, a dynamic, ergonomic sitting position is believed to lead to improved ...
Commonly, ergonomic issues can arise in an office setting. [12] [13] Many people who work in an office (either a home office or a formal office building) often spend hours sitting and working in the same position. Ergonomic considerations include chair and computer monitor height adjustment, lighting position, break frequency, and chair design ...
Even if your work space is ergonomically correct — and even if you exercise regularly in your free time — excessive desk work (considered three or four continuous hours) can lead to weakened ...
When your work setup isn’t the most ergonomic, it can cause you to slouch and affect both your erector and lumbar spine. “Posture variation and overall movement throughout the day have ...
People with coccyx or tailbone pain resulting from significant numbers of hours in a sitting position (e.g., office desk jobs) are common candidates for such chairs. A proper kneeling chair creates the open body angle by lowering the angle of the lower body, keeping the spine in alignment and the sitter properly positioned to task. [6]
Riding-like sitting. Riding-like sitting or balanced sitting includes a sitting posture that approaches the natural resting position. A forward-sloping seat encourages this natural posture, which is the same as when lying on the side while sleeping. The lumbar curve is preserved, the joint angles are open, and the muscles are well-balanced and ...
Office chairs were developed around the mid-19th century as more workers spent their shifts sitting at a desk, leading to the adoption of several features not found on other chairs. Many office activities such as writing or typing involve a forward seat position in front of a work station, emphasizing free use of the arms and hands for reaching ...
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