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How BodyBilt Ergo Chairs Work

Seat Tilt Adjustment

This is the Seat Tilt Adjuster. It allows the user to infinitely adjust the angle of the seat from a forward tilt to a rearward tilt. The seat tilt is controlled by the lever labeled "tilt". Sit in the chair and pull up on the lever, which will allow the seat to rock. You can leave the chair in this "free-floating" mode by just leaving the lever up, or you can rock the chair into the position you like and push the lever back down to lock the seat into place. When your task allows for it, this rocking motion is a change that can be beneficial, but you'll get the greatest over-all body support when your chair is in the locked position.

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Seat Height Adjustment

Seat height is controlled by the lever labeled "up/down". To raise the height of the seat, get out of the chair and lift that lever. The seat will rise until it tops out, or until you let go of the lever. To lower the seat, just sit down and lift the lever again.  It's important that your feet be firmly on the floor to reduce back strain and leg pain. BodyBilt offers four different cylinders (short, standard, tall, and extra tall), each with a different range of floor to seat height. We usually recommend the short cylinder ergo chair for anyone 5.5" and under.

Backrest Angle Adjustment

The backrest angle is controlled by the lever labeled "back". To change the backrest angle on the Bodybilt ergonomic office chair, lift this lever, then push the backrest away from your back. Let go of the lever and scoot all the way back on the seat. Don't sit so far back on the seat you feel pressure on the soft area behind your knees. You can adjust the seat tilt and the backrest angle for an open posture OR for a more traditional 90-degree posture. After adjusting the backrest angle, you might need to readjust the seat height to establish a downward slope on your thighs.

Backrest Depth Adjustment

The Backrest Depth Adjuster allows you to bring the backrest closer to the seat, or farther away from it. This adjustment is optional if you select a management or executive chair with the J-mechanism. Here's how it works: if you feel like the backrest is too close or too far back, loosen the knob and slide the backrest out or in from the seat, then re-tighten the knob to secure it again. Don't sit too deep on the seat, though, or you may restrict circulation to your lower leg

Backrest Height Adjustment

Supporting your back is crucial to healthy sitting, and the backrest height adjustment allows you to position the support where you need it. There's no knob or lever for this feature. You just grab the bottom part of the back and raise the entire backrest. You'll hear a click each time the backrest moves. Each click raises the backrest another half-inch, up to four inches. To lower the backrest, lift it past the last "click" and it'll drop back down to the lowest position. For maximum comfort, be sure to set the lumbar support of the backrest to fit your lumbar curve, around the belt line.

Optional Air Lumbar Adjustment

This optional feature, called Air Lumbar®, is a BodyBilt ergonomic exclusive! It lets you actually adjust the firmness of the backrest by pumping air into the lumbar area. To inflate the backrest, press the black rubber bulb with your thumb or fingers until the lumbar area is noticeably firmer. To let the air out, just press the black button. Don't pull the bulb away from the backrest to squeeze it or you'll damage your chair, and you'll have to have the air bulb re-attached.

Armrest Height & Angle Adjustment

Arm support is extremely important. When we type or write or move a mouse all day we can either support the weight of our arm on the chair's armrest, or take the more painful route and make our neck/shoulder muscles support that weight all day. The standard arms on your BodyBilt Ergo chair allow you to adjust the height, width, and angle of the arm pad to make sure your arms are fully supported in their most comfortable position. To adjust the height and angle of the arm pad, flip up the cam lever on the outside edge of the arm bracket. Next, position the pad at a height and angle that will fully support your arms. Be careful you don't position them so high your shoulders are pushed upwards. Flip the lever back down to lock the arm pad into position. When you're adjusting the armrest height and angle, don't panic if you accidentally pull the arm pad out of the bracket.  If the arm pad comes out, just re-insert the post into the arm bracket and push the arm pad down gently. Then flip the lever back down to lock it into position.

Armrest Width Adjustment

The Armrest Width Adjuster lets you position the entire armrest closer to, or farther from, your body. Just loosen the knob beneath the ergonomic chair seat, slide the armrest to the desired position, then tighten the knob.

Seat Tilt Tension Control

To adjust the weight resistance you feel in the free-float, rocking position, get out of the ergonomic office chair and lock it into its most forward position. Then tighten the tension knob for more resistance, or loosen the knob for less resistance. Adjust the tilt tension to fit your body weight.


The Swivel adjustment provides a 360° range of motion for the entire ergonomic chair, which rotates smoothly on the pneumatic cylinder.

Neckroll Height Adjustment

If your chair is a 3500-Series model, it will come with a height-adjustable neckroll. Like the backrest, reach behind you and move the neckroll up. To lower the neckroll, just push it past the last setting and return it to its lowest position. The four inches of range will allow you to position the neckroll in the curve of your neck for ideal support. You might've noticed that we call this a "neckroll", and not a "headrest". That's because our 3500 Series chairs support both your head and your neck. Your spine has three primary curves that should be supported: it curves in at your lower back, or lumbar, back outward at the thoracic, then in again at your neck. Like the contoured backrest, the neckroll is designed to preserve the curves of a healthy spine.  An ergonomic chair with a headrest pushes your head forward into an improper position without supporting your neck, which can cause neck and shoulder tension, headaches, and other aches and pains.

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