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Haworth Zody Chair, Mesh Back

Haworth Zody Chair, Mesh Back
Item# HWSZT20402MA1
Regular price: $880.00
Sale price: $619.00
Lumbar:  Forward & Back Stop:  Fabric / Mesh Choice: 

Product Description

Meet Zody, the high performance task chair that blends science based wellness and comfort, international design, and best in class sustainability.

Science. Zody is the only chair to have PAL™, a patent pending user selected asymmetrical lumbar support system and a passive pelvic support. The back support system was developed with the help of the Human Performance Institute at Western Michigan University. As a result of this research, Zody earned the first ever task chair endorsement by the American Physical Therapy association.

Design. Zody was designed by ITO design in Germany. The design is crisp and clean. Haworth only uses premium materials such as cast aluminum and glass reinforced nylon. Zody is designed with a variety of visual options to create the right chair for your environment.

Sustainability. Zody is the first task chair certified as a Cradle to Cradle™ Gold product by MBDC (McDonough Braugart Design Chemistry, LLC). Chair materials, designed to maximize human and ecological health, contain up to 50% recycled content. Zody is assembled with 100% Green wind power in an ISO 14001 certified manufacturing facility.


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Ergonomic standards and guidelines recommend several working postures – sitting while reclining, upright, or in forward tilt; standing or alternating between sitting and standing – recognizing that no one posture should be used for a long period of time. A good ergonomic chair allows users to sit in these different postures and provides features and adjustments with the ability to enhance the comfort, productivity, and overall well-being of the occupant. Listed below are Zody’s key ergonomic features and adjustments along with suggestions on how to adjust the chair to maximize its potential for each individual user. Back and Lumbar Support The combination of the frame flex, mesh construction, lumbar pad, lumbar pad spring suspension and asymmetrical adjustment and pelvic support make up the “PAL™” system’s unsurpassed ability to provide comfortable ergonomic support for a broad range of users. Tension Zody’s tension adjustment is a crank located halfway back on the right side of the seat pan (Figure 1). Adjusting the tension control regulates the amount of resistance a user feels when leaning back in the chair and the effort required to recline the chair backwards. Forward (clockwise) rotation increases the tension and backward (counterclockwise) rotation decreases the tension. Zody’s tension can be adjusted to accommodate users of different body types and sizes and for different work styles. Torsional Movement Zody was designed to have 2" of passive torsional flex in the upper back. This means the backrest follows the user as it moves, increasing mobility and comfort when reaching sideways for objects. Mesh Tension Zody’s proprietary suspension mesh is a thin, breathable 100% polyester woven fabric designed to work in concert with the lumbar pad and pelvic support. Several studies were completed to identify appropriate upper and lower back mesh tensions which provide users with continuous support. Lumbar Support When standing, the spine naturally forms an “S-curve”, but when seated, the bottom of the back tends to round out as the tailbone is curled under causing the curvature to disappear. This can cause lower back pain when seated, so it is important to maintain the lumbar curvature (lordosis) that occurs normally in the spine of the lower back. Zody’s lumbar pad was designed so it responds differently to people based on the amount of support they desire. Its concentric rings are different thicknesses and are interconnected by relatively small flexible webs to ensure support only where the user wants it. The handles to adjust the lumbar are located on the back of the chair (Figure 2). The lumbar pad adjusts 4" vertically along the back of the user. Pull up or down to adjust the height of the lumbar pad. When adjusting the lumbar pad, the height and shape of the lumbar pad should coincide with the lumbar curve (“the small”) of the user’s back. Rotate the handles up to increase the amount of support and down to decrease the amount of support. The handles can also be adjusted independently of each other so users can achieve varying amounts of support on either the right or left side of their lower back. Seat Pan Depth The seat pan depth adjustment lever for Zody is located under the seat pan on the left side approximately 5" from the front of the seat pan (Figure 5). Zody’s seat pan can be adjusted 3" in depth in order to accommodate a wider range of the population. When sitting with the knees bent at 90°, the seat pan should be adjusted so it does not touch the back of the knees or infringe upon the ability to bend the knees to angles less than 90°. This provides the thighs with support without creating pressure behind the knees. Additionally, this allows the user to sit back far enough in the seat pan to use the lower portion of the backrest. Back Stop Zody’s backstop allows users to select an upright position or limit the amount of recline (Figure 3). This gives users the ability to select their preferred posture and change postures throughout the day. The back stop lever is located behind the tension crank which is located halfway back on the right side of the seat pan — to activate it, recline and push down on the lever and to release it, pull up on the lever. Zody has back stops every 4° throughout the full recline (24° of the chair. Seat Pan Angle/Forward Tilt The forward tilt option offers users the opportunity to vary their posture throughout the day. As with any posture, forward tilt is an acceptable position to maintain for short periods. Users shouldn’t maintain any one posture for more than an hour. Excessive forward tilt may cause users to slide out of the seat or put too much weight onto their feet resulting in prolonged static loading of leg muscles. The forward tilt lever is located in front of the tension crank which is located halfway back on the right side of the seat pan (Figure 6). To activate it, recline backwards in the seat while pushing down on the lever and then lean forwards in the chair. To release forward tilt, recline back in the chair while pulling up on the lever. Armrest Pivot Pivoting the armrests allows users to position the armrests based on the tasks they are performing while still providing the user with proper forearm support. To change the pivot/angle of the armrest, grasp the armrest cap and rotate the front of the armrest towards your body or away from your body as needed Ergonomic Standards/Guidelines Based on the features of the chair model, Zody meets the following ergonomic standards and guidelines: • BIFMA G1-2002: Ergonomics Guideline for VDT (Visual Display Terminal) Furniture Used in Office Work Spaces • BSR/HFES 100-2002: Human Factors Engineering of Computer Workstations, draft standard for trial use • CAN/CGSB 44.232-2002: Task Chairs for Office Work with Visual Display Terminals • CSA Z412-2000: Guideline on Office Ergonomics Remember….. Any adjustments made to the user’s chair need to be made while taking into consideration the workstation arrangement (height, knee clearance, etc.) and the task being performed. Users should adjust their chairs to a point where they feel comfortable and to a position that suits their personal needs or tasks. When that position becomes uncomfortable (as it certainly will over a long period), the chair should be readjusted. Don’t be afraid to experiment. In fact, constant fine-tuning chair adjustments will yield the greatest benefits because as users adjust it, they are moving, and movement is the key to a healthy and ergonomically sound office environment. For more information call 800.344.2600 ©Haworth, Inc. 01.2006
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