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Using a keyboard without a wrist rest may increase the bending angle of the wrists, causing strain and tendon irritation. [1] Prolonged contact between the wrists and the rest may cause carpal tunnel syndrome or tenosynovitis. [2] Resting the wrists on a rest while typing may prevent motion of the wrist, causing issues. [1]
Key Ovation makes the Goldtouch ergonomic keyboard which is an adjustable angled split keyboard. On some ergonomic keyboards, the tenting angle is increased to 90° so the user types with their hands perpendicular to the ground, thumbs-up, [9] similar to the hand position adopted by accordion players.
In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...
Maltron keyboards became well known in the 1980s and 1990s for their distinctive layouts. Hackaday described the Maltron keyboard as "a mass of injection-moulded plastic with two deep dishes for all the keys." [3] Tom's Hardware said that the keyboards were "one of the real first ergonomic, split keyboard to use keywells. Designed for people ...
Kinesis is a company based near Seattle that offers computer keyboards with ergonomic designs as alternatives to the traditional keyboard design. Most widely known among these are the contoured Advantage line, which features recessed keys in two bucket-like hollows to allow the user's fingers to reach keys with less effort.
Overhead view of DataHand units that provide full computer keyboard and mouse functionality The right-hand of a Professional II keyboard [1]. The DataHand is an unconventional computer keyboard introduced in 1990 by DataHand Systems, Inc., designed to be operated without any wrist motion or finger extension.
Whenever there is a worker and a job, there will be ergonomic considerations. Commonly, ergonomic issues can arise in an office setting. [12] [13] Many people who work in an office (either a home office or a formal office building) often spend hours sitting and working in the same position. Ergonomic considerations include chair and computer ...
The typing loads between hands differs for each of the keyboard layouts. On QWERTY keyboards, 56% of the typing strokes are done by the left hand. As the right hand is dominant for the majority of people, the Dvorak keyboard puts the more often used keys on the right hand side, thereby having 56% of the typing strokes done by the right hand. [30]
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