More and more people realize that prolonged sitting at a computer is very dangerous for health. This problem may solve the good ergonomic chair. Currently, there is a large choice of different ergonomic chairs in the market. There are office chairs for big and tall people, high-back chairs, chairs for the bosses so called executive chairs, modern chairs such as kneeling chairs and ball chairs, which even helps to correct posture.

Many reputable companies offer a large number of their ergonomic chairs. The most famous of them is Herman Miller, but the chairs of that firm are expensive, but they have perfect design and best ergonomic features. Cheaper chairs are produced by Office Star and Ergohuman, they also have excellent design and meet the ergonomic needs of users.

How to choose the right ergonomic chair?

Big and Tall Ergonomic Chair
Big and Tall Ergonomic Chair is designed for people who weigh more than 300-400 lbs. It is broader, deeper and has a more solid base.  Expensive Big and Tall Ergonomic Chair can be found at the company Herman Miller, more cheapest Big and Tall Ergonomic Chair are made by Office Star and others.

Executive Ergonomic Chair
In order to maintain the authority of chiefs are special Executive Ergonomic Chairs, which have an improved design, and in addition for them manufacturers are using more quality materials. However, the Executive Ergonomic Chair are much more expensive than common ergonomic chairs.

High Back Ergonomic Chair
If you have serious back problems, you need to buy High Back Ergonomic Chair with extra lumbar support and headrest.

Kneeling Ergonomic Chair
Kneeling Ergonomic Chair allow not only to sit properly, but also to correct a slouch and bad posture. For this purposes, Kneeling Ergonomic Chair has a special design – a special support under your knees and a tilt seat.
Ball Ergonomic Chair
Ball Ergonomic Chair will allow you to sit dynamically, and it becomes a specific office or home exercise equipment, which will develop and train muscles of the back and legs.

Contrary to what many may think, the office chair is no longer a piece of furniture. Ergonomic chair has become a way to preserve and even restore your health.

Boss Black LeatherPlus Executive Chair

Outfit any office with a chair befitting a senior executive. Designed for maximum comfort and utility, this chair offers an ergonomic back design with built-in lumbar support.

Other features include pneumatic gas-lift seat height adjustment, upright locking position, adjustable tilt tension control, and a waterfall seat design that eliminates leg fatigue.

Upholstered in black LeatherPlus, leather infused with polyurethane for added softness and durability, the chair overall measures 26-1/2 inches wide by 28 inches deep and adjusts to between 45 and 48-1/2 inches high. Its seat is 21 inches wide by 19-1/2 inches deep and adjusts to between 20 inches and 23-1/2 inches high. The arm height is 27-1/2 inches high and adjusts to 31 inches high.

The chair can safely hold up to 250 pounds. Some easy assembly is needed on arrival, but no tools are required.

Price: $168.85

Boss High-Back Multi-Tilter Office Chair with Adjustable Arms

High-back styling upholstered with commercial grade fabric. Sculptured waterfall seat made from molded foam that contours to the shape of your body.

Ratchet back height adjustment allows perfect positioning of the back cushion for lumbar support. Adjustable armrests allows the user to move the armrests to match shoulder breadth.

Large 27-inch nylon base. Pneumatic gas lift provides instant seat height adjustment. Adjustable tilt tension that accommodates different size users. Seat tilt lock allows the seat to lock throughout the tilt range. Back angle lock allows the back to lock throughout the angle range for perfect back support.

Dimensions: Arm Height: 24.5-inch H x 31-inch W, Seat Size: 20-inch W x 19-inch D, Back Size: 19.5-inch W x 23-inch H, Seat height: 18-inch – 22-inch H, Overall Dimensions: 30.5-inch W x 27-inch D x 38.5-inch – 44-inch H.

Price: $160.41

Boss Tufted Black Vinyl Executive Chair

Beautifully upholstered in Black CaressoftPlus.

Pillow top cushions for added comfort.

Padded arm rests.

Adjustable tile tension control.

Pneumatic gas lift seat height adjustment.

Large 27″ nylon base with black caps.

Hooded double wheel casters.

Price: $142.77

Matrix Seat and Back Exec Chair

• Cool Charcoal Mesh Matrex Seat & Back With Adjustable Lumbar Support
• Angled Adjustable Height Arms / 5 Star Heavy Duty Base
• 5-Star Heavy Duty Nylon Base With Dual Wheel Casters
• 360 Degree Swivel Tilt With Tilt Tension Adjustment and Lock Out Control
• Seat Size 20W x 18.25D / Back Size 19.5W x 23H
• Newest Model Features Mesh Matrex Air Grid Seat AND Back For Outstanding Comfort

Price: $199.95

Knee Chair with Metal Frame

Office Star Products Knee Chair with casters is made with a black metal frame.

Thick padded seat and knee pads with memory foam.

Knee chair features an ergonomic design, manual height adjustment, and dual wheel casters.

• Ergonomically designed chair
• Dual wheel casters
• Seat and knee pads with memory foam
• Manual height adjustment

Price: $84.95

Space Air Grid Series High Back Chair with Headrest, Black mesh OSP55403

• Space Air Grid Series High Back Chair with Headrest.
• Contemporary styling combined with durable AirGrid mesh delivers office seating that is comfortable yet stylish.
• Breathable AirGrid mesh offers strong support for seated tasks.
• Soft polyurethane padded arms for enhanced comfort.
• Adjustable lumbar support and arms.
• 2-1 Synchro-Tilt (adjusts back and seat angles simultaneously), pneumatic seat height adjustment, tilt tension control and tilt lock.
• Mesh seat for cool comfort.
• Seat: 21-3/4w x 19-1/2h. Back: 20-1/2w x 24h plus headrest.

Price: $239.99

Office Star High-Back Leather Executive Chair

• Black Glove Soft Leather
• Extra High Back
• Lumbar Support
• Manchester Cherry Finsh Wood Frame
• 5-Star Wood Base
• 360 Degree Swivel Tilt With Tilt Tension Adjustment and Tilt Lock-out
• Matching Padded Armrests
• Seat Size 20.5W x 20.5D x 5H
• Back Size 21.5W x 28.5H x 5T

Price: $241.35

Matrex Back Manager’s Chair with Mesh Seat

The Office Star Professional Matrex Back Managers Chair with Mesh Fabric Seat brings professionalism and morale straight to your office.

The thick padded contour seat and Matrex back with adjustable lumbar support ensures comfort and good posture.

Get the job done quickly and easily with the Professional Matrex Back Chair.

• Adjustable seat height
• Synchro-tilt mechanism
• Adjustable lumbar support
• Adjustable arm height
• Tilt tension control

Price: $206.64

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Office Star Deluxe Highback White Leather Executive Office Desk Chairs 7270

Newest Model With Premium White Leather Covering.

All Day Comfort, Fully Adjustable

Pillow Top Premium White Leather / Matching Padded Arms

Chrome Base & Arms / Mid-Pivot Knee Tilt Control

360 Degree Swivel Tilt Control With Tilt Lock Out & Tension Adjustment

Large 27″ Base with Dual Wheel Carpet Casters

Seat Size 21W x 20D x 3.5T / Back Size 20W x 30H x 3.5T

Price: $279.99

Zuo Eco Pu Office Chair

Italian contoured office chair with full back support from Zuo Modern

Durable steel tube frame and PVC base

Cushioned seat covered in washable leatherette

Adjustable height locking tilt mechanism for seat heights from 20 to 23 inches

5 capped chrome wheels for mobility

Wipe leatherette seat clean with a damp cloth; also available in polyester mesh

Measures 23-1/2 inches wide by 28 inches deep by 50 to 53 inches high

Price: $588.00

Zuo Premiere Office Chair

Italian leather seat & back w/full cast aluminum frame, adjustable height, non-locking tilt & rolling base

Sleek and comfortable leather office chair from Zuo Modern

Genuine Italian leather seat with vinyl match on the back

Chrome cast aluminum frame and arms

Non-locking tilt mechanism and adjustable height from 17 to 20-1/2 inches

Swivel base with 5 wheels for mobility; easy assembly required

Measures 23 inches wide by 24-1/2 inches deep with a 35-to-38-1/2-inch height

Price: $404.59

Unico White Executive Chair White Vinyl/Black Frame

Zuo Unico collection high back executive chair is upholstered in attractive and durable white leatherette.

Executive chair features a swiveltilt seat control

Instant lift seat height adjustment

Tilt tension control

Adjustable arm height

Tilt lock.

White leatherette upholstery

Adjustable arm height

Price: $ 259.00

Darrel Low Back Chair By ItalModern

Stylish and supportive – make your workday more pleasant with the perfect seat. The Darrel Low Back Office Chair is perfect for any workday – whether you’re at the front desk, or in the corner office. This low backed office chair features a chromed aluminum frame, and aluminum base and armrests. The seat and back are padded leather. This chair does it all – it tilts, it swivels. It even has a gas lift. This chair can be locked into multiple positions, which means that you don’t have to worry about losing your comfort zone! The Darrel Low Back Office Chair has a weight limit of 250 pounds.

Size: 39″H x 27″W x 23″D

Front knee tilt mechanism.

Chromed aluminum frame, arms and base.

Tilts, Swivels and has a Gas Lift.

Price: $379/99

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Below you’ll get the functions excellent high back  chairs offers you with. Prior to you acquire an ergonomic chair, you must ensure that your ergonomic office chair should have these characteristics.

1. Back adjustment

A backrest adjustment can easily assist to avoid or even minimize the discomfort that results from sitting for very long time. The characteristics of a back adjusting mechanism include:

•             Back height adjusting mechanism – this enables you to get the backrest height which will supply support for your lumbar portion of your lower back.

•             Back tilt adjusting mechanism – this feature will let somebody to follow various postures while still keeping excellent help for that lumbar region of your spine. You are able to also alter the function as you wish.

•             Horizontal back movement – this function is just not exactly like a tilt. Instead, it allows the horizontal movements sideways, providing the office chair additionally deeper for these who need it.

2. Chair height adjustment

Every ergonomic office chair has a height adjusting mechanism. With most desk chairs, a pneumatic lever may be the most common way, as it allows you to easily adjust the height of the office chair from a seated position. Ergonomic chairs in the past needs you to place a foot about the base with the chair then spin it around and close to raise as well as lower the height.

3. Seat pan properties

By using chairs seat pan, you need to look to the following characteristics:

•             Rounded edge – locate at the front end in the seat pan; this can avoid unpleasant pressure at the back of the legs or behind the knees.

•             Seat pan depth – between the rear of the knee and front of the chair there have to be a gap about the length of a clenched fist. For your legs, this can help maintain correct blood flow.

•             Seat pan tilt – this can let room for position changes and as well help to decrease strain on the back of the thighs.

•             Fabric -   must be on the lookout for hard wearing and permeable material that will dissipate moisture and heat.

4. Armrests

Armrests should not interfere with the activity at hand and usually provide you room to maneuver. Armrests arent as a general rule required for keyboard use, although they is usually utilized during reading, editing, or even performing operate on a desk. However, if you need them, buy those that have an adjustable height, adjustable width, and adequate padding.

5. Stability

A good ergonomic chair will have a five pronged bases with the appropriate casters (soft for hard surfaces and hard for soft surfaces). Chairs with 4 prongs are less stable and prone to tipping sideways or backwards anytime you lean in any direction.

Office Star – Ergonomic Kneeling Chair With Dual Knee Pads
OST-KCM1420

Newest Model Now With Memory Foam Seat & Knee Pads

Mobile on 4 Casters / Adjustabe Height / Ergonomically Correct

5 Year Limited Warranty / Toll Free Number Assistance

• Seat Size 17W x 12.5D x 2.5T / Knee Pad Size 16.5W x 10.5D x 2.5T

Price: $80.65

Wooden Ergonomic Kneeling Posture Office Chair

Thick Padded Black Fabric Seat and Knee Rest Provide Firm Support Natural Wood Finish Dual Wheel Casters Height Adjustment Knob 200 lb.

Seat Size: 15.5”W x 12”D

Knee Rest Size: 17.75”W x 10”D

Seat Height: 20” – 24”H

Overall Dimensions: 17.5”W x 26.5”D x 20” – 24”H

Price: $82.39

Ergonomic Kneeling Posture Office Chair [WL-1420-GG]

Black Fabric Upholstery

Thick Padded Seat and Knee Rest

Provides Firm Support

Pneumatic Seat Height Adjustment

Dual Wheel Casters

Price: $92.79

Harold Knee Chair – 2536

Aluminum or black coated metal frame with upholstered fabric seat and knee support.

Adjustable height/rubber coated handgrips.

Chair moves on fore and aft rollers.

W:25″ D:24″-26″ H:21.5″ – 28″

Price: $119.99

Ergonomic Kneeling Posture Office Chair w Back & Wheels

Thick Padded Seat, Back and Knee Rest Provide Firm Support. Adjustable Back Angle. Adjustable Back Height. Adjustable Seat Height. Black Fabric. Black Powder Coated Steel Frame. Dual Wheel Casters. This Chair meets and/or exceeds ANSI/BIFMA standards.

Back Size: 18”W x 21”H

Seat Size: 18”W x 17”D x 2”T

Knee Size: 19”W x 11”D x 2”T

Overall Max: 19”W x 32”D x 43” – 50”H

Price: $128.25

YogaChair

For those who seek ultimate comfort and great posture, The Original YogaChair® is the perfect solution.  As you sit in a regular chair your core muscles relax. Your spine and your shoulders collapse into your pelvis and put a strain on back muscles, especially your lower back muscles. Notice your posture and how you feel when sitting in a regular chair after only a very short period of time. Its probably not good; you certainly don’t feel the expansiveness in your lower and mid-back area that you feel while sitting on the YogaChair. When sitting on YogaChair your spine naturally lifts out of your pelvis area. You can actually feel your spine comfortably extending from your pelvis without any effort. As your spine extends from your pelvis while sitting you can feel your lower, middle and upper back muscles relax. Your entire body, including your vital organs, are less constricted. The improved sitting position is healthier for your body and allows you to sit comfortably for long periods of time. Your body will find a natural sitting position, just from sitting on YogaChair. You can test this comparison on a regular chair. Sit on the end of your chair, feet flat on the floor with your back not touching the back of your chair. Feel how your spine extends out from your rear end. Unfortunately, it is difficult to undo years of repetition and we do not sit properly in a regular chair for more than a few moments In a YogaChair you do not have to think about sitting properly. The design of YogaChair accomplishes that and sitting is easy.

Price: $99.00

Wooden Ergonomic Kneeling Posture Office Chair with Reclining Back [WL-SB-310-GG]

Wooden Ergonomic Kneeling Posture Office Chair with Reclining Back Super Value Thick Padded Royal-Navy Blue Fabric Seat, Back and Knee Rest Provide Firm, Comfortable Support Reclining Back allows for sitting/working position or lying down/relaxing position Natural Wood Finish Dual Wheel Casters Height Adjustment Knob for all your Kneeling Chair and Office Chair needs Overall Size

Navy Blue Fabric Upholstery

Thick Padded Back, Seat and Knee Rest

Provides Firm Support

Reclining Back for Sitting or Lying Down Positioning

Natural Wood Frame

Price: $84.99

Boss Ergonomic Kneeling Stool

Kneeling stool offers excellent ergonomic support and ease of use. Adjustable knee height allows for multiple users. Ergonomic design eases the hip forward and encourages an upright posture by aligning the back, shoulders and neck to relieve strain on the lumbar muscles. Black fabric seat and knee platform provides comfort for long periods of time.hooded double wheel casters. Available in black stained wood with black fabric.

Kneeling stool offers excellent ergonomic support and ease of use

Adjustable knee height allows for multiple users

Ergonomic design eases the hip forward and encourages an upright posture by aligning the back, shoulders and neck to relieve strain on the lumbar muscles

Black fabric seat and knee platform provides comfort for long periods of time

Hooded double wheel casters

Price: $84.99

Black Ergonomic Kneeling Office Chair – Black Mesh Back

Black Ergonomic Kneeling Chair

Ergonomically Contoured Black Mesh Back

Lumbar Support

Thickly Padded Fabric Upholstered Seat and Knee Rest

Height Adjustable

Scissor Frame Design

Dual Wheel Casters