Ergonomic Chairs

An articulating keyboard system is one of the most important components of an ergonomic workstation. For people who work on a computer for two or more hours per day, a well-designed articulating keyboard system can provide protection from a variety of serious musculoskeletal disorders, including Carpal Tunnel syndrome, neck pain, and lower and upper back pain.
The Radiused Keyboard Tray and Mouse Platform with Single Adjustable Arm is designed to visually compliment the curved edge of a radiused corner. Available with either a foam or gel core, our synthetic leather palm supports are comfortable, durable and easy to clean.

Radiused Keyboard Tray features:

• Designed to visually compliment the curved edge of a radiused corner
• Compatible with any of our mouse platform options
• Keyboard Tray Dimensions: 19" W x 12.625" D

Adjustable arm features:

• Base swivels 360°
• Standard Track Lengths of 21 3/4" for arms 2G and 5G, 25" for keyboard arm AD
• Platform Tilt Adjustment: 0° to -15°
• Encourages low-risk postures — Whereas older generation products focus solely on maximizing adjustability, all Humanscale keyboard systems focus on maximizing adjustability within a safe operating range
• All Humanscale keyboard mechanisms offer total knee clearance

Learn more about the Humanscale Keyboard Systems below:

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Adjustable Arm

Image	Features
Keyboard Arm 2G	The world's best-selling keyboard mechanism The 2G offers independent height and tilt adjustment, along with unmatched stability Platform tilt adjustment: 0 - 15° Height adjustment: 6 1/4" (1 1/4" above track to 5" below track) Standard track length: 21 3/4" Base swivels 360° Maximum depth below bottom of keyboard: 1/2"
Keyboard Arm 5G	Simple dial-a-tilt and height adjustability Strongest arm on the market Platform tilt adjustment: 0 - 15° Height adjustment: 6 1/4" (1 1/4" above track to 5" below track) Base swivels 360° Standard track length: 21 3/4"
Keyboard Arm AD	The Above Desk mechanism provides 2G functionality with a longer arm for use above the work surface Platform Tilt Adjustment: 0° to -15° Height Adjustment: 9" (5" above track to 4" below track) Base Swivel 360° Standard Track Length: 25" Maximum Depth Below Bottom of Keyboard: 1/2"

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Mouse Platforms

Image	Features
Swivel Mouse	Provides a wide range of adjustability within the Neutral Reach Zone Available in left, right and dual positions A great complement to a Humanscale Keyboard Tray Platform size: 10"

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THE NEUTRAL REACH ZONE

"The Neutral Reach Zone is the area that can be conveniently reached with a sweep of the forearm while the upper arm hangs in a neutral position at the side"

Sanders and McCormick, 1993

Unlike older generation keyboard/mouse solutions, Humanscale's keyboard systems are designed to ensure that nearly all users are able to work consistently with their Neutral Reach Zone, and thus maintain a low-risk, sustainable posture.

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