"Regardless of whether it's a desktop or laptop, your device should be positioned at the right height and with you sitting in a desk chair designed to encourage good posture while working at your keyboard. There are many on the market. The one I use is the ErgoChair Pro from Autonomous. The federal Occupational Safety and Health Administration (OSHA) has a Computer Workstations eTool that recommends proper height for chairs, monitors and keyboards, including setting the chair height and work surface height"
"OSHA recommends elbows should be about the same height as the keyboard and hang comfortably to the side of the body. Shoulders should be relaxed, and wrists should not bend up or down or to either side during keyboard use. A poorly positioned keyboard can force your body into awkward positions. Too low, and your wrists bend upward; too high, and your shoulders creep up as you raise your arms."
Most computing now happens on laptops, tablets, and phones rather than exclusively on desktop computers. Devices and furniture should be positioned to maintain a neutral posture: chair and work surface heights should keep elbows roughly level with the keyboard, shoulders relaxed, and wrists straight. Monitors should be centered and text enlarged when squinting to reduce eye strain. Poor keyboard height forces awkward positions—too low causes wrist extension and too high elevates the shoulders. Adjusting chair and desk height and using an ergonomic chair reduces neck, shoulder, wrist, and eye strain during prolonged device use, including away from a desk.
Read at www.mercurynews.com
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