Powerton ERGO JANA Office ergonomic chair, red

Ergonomic Chair Powerton JANAThe ergonomic chair Powerton JANA is designed to support the natural position of the body and thus reduce pain and fatigue associated with long-term sedentary work. Its main advantage is the ergonomic shape that allows correct body posture and minimises strain on the spine, forearms, and neck. It is suitable not only for office environments but also for home offices and for anyone who spends long hours sitting. The chair is made of high-quality materials that ensure long durability and resistance. The cold foam upholstery, combined with the rounded front edge of the seat, maximises comfort. The shaped backrest provides excellent support in the lumbar region. The synchro mechanism allows synchronised movement of the seat and backrest so that both parts move simultaneously in a 2:1 ratio. This means that when the seat moves one centimetre forward, the backrest moves two centimetres backward. This synchronised movement is adjustable and enables comfortable and ergonomic sitting. It can be locked in five positions. When using the synchro mechanism, the backrest automatically adapts to your movement to provide optimal support for your back and neck, helping to reduce fatigue caused by sedentary work. The chair features an adjustable mechanism that allows you to set the tension of the seat and backrest according to your body weight. To adjust the tension, turn the control knob under the seat clockwise to increase or counterclockwise to decrease the resistance. If you weigh less than average, you will want to decrease the tension to allow easy movement. Conversely, if you weigh more, increase the tension to maintain proper posture. Correct tension adjustment according to your weight ensures proper ergonomics. Incorrect tension can cause back or neck pain and lead to poor sitting posture. Proper seat depth adjustment allows you to sit with your heels on the ground, ensuring proper spinal alignment and blood circulation in the legs. If the seat is too short, you will lack thigh support, which may lead to discomfort and back pain. On the other hand, a seat that is too long can cause poor weight distribution and discomfort in the lower back, hips, and thighs. Adjusting the seat depth is therefore essential for optimal ergonomics and comfort, especially for users of different body sizes. It is important to find the right backrest height to support proper posture and minimise tension in the spine and neck. The adjustment is made by moving the entire backrest and locking it mechanically in the desired position. The control button is located on the lower edge of the backrest. By sliding the backrest vertically, you can adjust lumbar support to the ideal position for every body height. The height- and angle-adjustable headrest supports the head and neck. Its main function is to reduce tension and pressure on the cervical spine, helping to prevent neck pain. The headrest can be adjusted in both position and tilt relative to the seat, allowing you to customise the level of support for your comfort. Seat height adjustment is essential for proper ergonomics and comfortable sitting. It helps to minimise strain on the lower back and legs, increasing comfort and productivity. The correct height allows your feet to rest flat on the floor with your knees at a 90° angle. The gas lift mechanism provides a height adjustment range of 7 cm and can be locked in any position. The adjustable armrests provide arm support and improved comfort. They can be adjusted in three directions – height, depth, and angle. Height adjustment ensures correct arm and shoulder positioning, depth adjustment helps achieve proper distance to the backrest for better lower back support, and angle adjustment minimises wrist and elbow strain. frame: plastic
base: plastic
wheels: diameter 60 mm
load capacity: 150 kg
warranty: 60 months
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