Executive office chair
People employed in offices spend the major part of their working hours in a sitting position. It is taken as an established fact that the poor sitting position often adopted by them makes a considerable contribution to back injuries. A writing position, leaning forward, for hours at a time leads in particular to a considerable strain on the skeleton, as well as on the muscles and tissues of the back, and even to permanent curvature of the spine, the so-called hunchback (kyphosis). This has given rise to many attempts to improve the geometry and the adaptability of chairs to different conditions of use with a view to healthier sitting. It has been found that frequent--even if only brief--relief of the human back by leaning back or leaning in a relaxed position already substantially reduces the strain on the back. An office chair is a well-known piece of furniture that allows a user to comfortably sit in the chair while performing various work tasks. A chair that is designed for a business is generally referred to as an executive chair. Executive office chairs, when not occupied, are designed to be located within the well or kneehole area of the desk. In order for the user to then use the chair, it requires that the user pull the chair from the well. Chairs that are in exceedingly common use do not include a handle to facilitate this movement of the chair. To enhance comfort and provide improved ergonomic function, office and task seating is typically provided with a high degree of adjustability. For example, it is common to provide mechanisms for adjusting the height of the seat, the location of the armrest and the degree of lumbar support. Chairs for office workers who spend considerable amounts of their working time seated are often made adjustable to accommodate the variations in sizes and proportions of the workers. The reason for this is principally to position the worker in a seated posture to most efficiently accomplish their tasks, such as reading, typing, handwriting, and the like. The most common type of chair adjustment is to the height of the seat member above the floor which is typically made by adjusting the length of a telescoping pedestal connecting the seat member with a support platform equipped with rollers or casters. Computer friendly ergonomic design provides the user with total comfort while performing repetitive task in front of a computer. Mid back task chair styling with firm lumbar support and extra large cushioned seat and back for all day comfort. Pneumatic seat height adjustment allows quick and easy adjustment that regulates height of chair relative to floor. Soft and durable molded polyurethane armrests. The 6-directional adjustable allows the armrests to be raised or lowered, extended out or pulled-back, and pivoted left or right, ensuring the user with optimal arm support. The tilt control knob provides adjustable tilting tension helps accommodate different size users. Other common types of chair adjustments include the tilt of the seat member relative to the floor and the tilt of the chair back. Proper adjustment of the seat height, seat tilt, and chair back tilt provide adequate support for the thighs and back while allowing the feet to reach the floor. Swivel arm chairs for office use as executive chairs and usually consist of an upholstered chair seat and chair back with upholstered arm rests all fixed to each other and supported on a conventional spring actuated swivel pedestal, with four legs, so that the occupant can swivel around on the vertical axis of the pedestal or tilt rearwardly against spring compression.
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