How to Buy an Ergonomic Desk Chair

Instructions

1. Research the different ergonomic benefits of a chair. You'll soon find that everything from back support to armrests can make a difference.
2. Understand the back-support features. Height adjustment supports the lumbar area (lower back). Look for chairs that provide mid-back and upper-back support as well. Tilt mechanism maintains support as you move and recline. It's best to have your back slightly reclined while seated at your desk.
3. Look at the benefits of the seat pan.Your weight should be distributed evenly on the seat. Look for a rounded or waterfall edge at the front of the seat, which prevents the seat from catching behind the knees and cutting off circulation. Three to four fingers should fit between the seat pan's front edge and the back of the knees. Seat should extend at least one inch from either side of the hips for optimum comfort. Insufficient hip room can make you sit too far forward and not get enough thigh support. Some seat pans adjust for a forward or backward tilt.
4. Research armrest benefits. Armrests alleviate pressure on the back, but may interfere with lower desks. Look for adjustable width and height to support various tasks, including writing and reading, to ease neck and shoulder tension and to help prevent carpal tunnel syndrome. They should be contoured, broad, cushioned and comfortable.
5. Get the right fabric. Cloth coverings are less expensive and breathe well, but vinyl or leather upholstery is easier to keep clean. Look for a durable, permeable, ventilated material and check out the mesh Pellicle material in the Aeron chair, which also conforms to the body.
6. Adjust the height of the chair. Pneumatic levers or gas lifts adjust seating height while in a chair. For optimal posture, thighs should be horizontal with the ground and both feet flat on the floor. The chair's height should allow the wrists to be straight while typing.
7. Find out the stability of the chair. Look for a chair on wheels that swivels to avoid excess stretching and twisting of your spine. A five-point base won't tip over when you recline. Choose hard casters for carpeting and rubber-coated ones for hard surfaces. A good chair can recline and lock into various positions.

Source By eHow Home @ Garden Editor

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Cases Involving Construction Vehicles (Vibrohammer)

What kind of accident is about to happen?

While extracting steel sheet piles, a worker connects the chuck portion of the Vibrohammer to the steel pile, and starts the machine. Can you predict what's about to happen?

Look what happened !!!

Because the worker turned on the Vibrohammer without securing the hydraulic chuck, the Vibrohammer started shuddering, came off its hook, and fell onto the worker.

Tips for preventing similar accidents

1. Only start a Vibrohammer after securing the chuck and ensuring that it is being firmly pinched.
2. Be sure to inspect the safety catch for the hook before starting work.
3. Only allow personnel certified to operate a vehicle-type construction machine for foundation work to perform pile extraction work.
   
4. Undergo preliminary training on the proper methods for operating machinery, such as methods of starting up a Vibrohammer from a remote location.

Soucre By The Japan International Center for Occupational Safety and Health (JICOSH)

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Ergonomics: Saving the Office Money

Many different injuries and problems stem from bad workstation positioning and improper ergonomics. Carpal Tunnel and Tendinitis are some of the most common workplace injury complaints and are found in a number of different occupations and situations. Hairstylists using their hands in the repetitive scissors motion or a computer programmer sitting in front of the monitor for long periods of time are all prone to problems with the hands and arms.

New worker’s compensation claims are being filed daily for problems stemming from muscle and nerve injuries due to workplace conditions. The numbers seem to be rising possibly due to the increasing number of computer users and workers with a computer monitor and workstation where they spend a considerable amount of time. It is simple to ergonomically position most workstations but without the knowledge of how to do so, most employees will end up in the wrong position.

When a worker reports a carpal tunnel injury from the doctor, they normally cannot perform their standard office tasks or the injury will be worsened. Carpal tunnel requires the wrist and arm to stay at a stable relaxed position and braces are available but do not work in most situations for productivity. The employee can be put on full leave until recovered or surgery is necessary which can leave the employee on absence for a longer period of time.

This can be costly to the employer for the replacement personnel in order to cover for the lost worker and in worker’s compensation claims if it is a work related injury. What business wants to throw money around without a care in the world for prevention of their loss? Not a good one or one that might stay in business long.

Most large corporations purchase their supplies in bulk and have been educated on proper ergonomics in the workplace from the office furniture interiors company that handled the design of the stations. Many large offices also feature workstations with ergonomic keyboard trays for multiple users and an adjustable office chair, the basics for good ergonomics. Prevention of injury is important to these big businesses as they know how costly it can be to replace workers.

All that is needed is ergonomic education for the employees in order to properly position the equipment once seated. With businesses paying more attention to workplace ergonomics, hopefully the number of these hand and arm injuries will decrease and save everyone time and money.

Author Bio: Amy Pedersen has worked in the Ergonomics and Office Furniture industry for over 10 years and is owner of Sit On This Ergonomics, operating a number of ergonomic websites dedicated to Office Chairs and the practice of good Workplace Ergonomics.

Featuring a wide variety of Executive Chairs, Leather Office Chairs, Mesh Seating & Task Office Chairs with an Online Sales Catalog. Their Huge Office Chair Collection and the Sit On This Ergo website provides detailed ergonomic information on proper chair positioning and seating in the workplace environment to help people to find the perfect Office Chair for their situation.

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