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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 ...
Kinesis's first adjustable keyboard, the Maxim, was released in 1997. [3] In 2000, Kinesis entered a strategic alliance with Cramer, Inc. of Kansas City, which manufactured ergonomic seating. Kinesis took over production for the Cramer Interfaces chair arm-mounted split keyboard, [4] releasing a revised version as the Kinesis Evolution in 2001. [5]
Voice control software or a more ergonomic keyboard can reduce pain from typing. Bent knees or sitting can reduce pain from standing. Strength training to support weak joints with strong muscles Weakened ligaments and muscles contribute to poor posture, which may contribute to other medical conditions.
Proper ergonomic design of computer keyboard desks is necessary to prevent repetitive strain injuries, which can develop over time and can lead to long-term disability. [45] Research suggests that the upright position formerly advocated can lead to degenerative disc disease, and that a 45 degree reclined position is healthier. [46]
DataHand Systems, Inc. was founded in 1985. [3] [4] It was invented by Dale J. Retter and produced as early as 1990.[5]After the initial prototype was released in 1995, DataHand released the Professional and Professional II models with new bodies.
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]
The Apple Adjustable Keyboard came with contoured plastic wrist rests, and a separate keypad with function keys and arrow keys. This was the third and last time Apple offered a separate numeric keypad. Unlike its predecessors, it was not sold separately. The keyboard also included volume buttons and a record button on the right side of the ...
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