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Computer Ergonomics. How you sit at the computer…. How you sit at the computer is very important to your health. People who do not sit properly or hold their hands properly while working at a computer can get repetitive stress injuries such as carpal tunnel. Correct Sitting Position.
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How you sit at the computer… How you sit at the computer is very important to your health. People who do not sit properly or hold their hands properly while working at a computer can get repetitive stress injuries such as carpal tunnel.
Correct Sitting Position www.ergonomicsolutions.com
Correct Sitting Position (Cont’d) • Sit up straight • Lower back should fit snuggly against the backrest of your chair. If it doesn’t, use a small pillow or rolled-up towel for support. Lower back fits snug against backrest of chair www.ergonomicsolutions.com
Correct Sitting Position (Cont’d) • Chair should be at the correct height so your feet are flat on the floor and legs are bent at a 90-110° angle. If this is not possible, use a footrest such as a three-ring binder. Legs bent at 90-110 ° angle www.ergonomicsolutions.com
Correct Sitting Position (Cont’d) • Monitor should be directly in front of your body and the keyboard. It should not be off to the side. • When you look straight ahead, you should be looking at the top of the monitor. www.ergonomicsolutions.com
Correct Sitting Position (Cont’d) • Keyboard should be as low as possible, yet allowing your wrists to be straight. • Sit about a hand-width away from the keyboard. • Mouse should be directly to the side of the keyboard. www.ergonomicsolutions.com Mouse goes here Not here
Hand and Wrist Positioning • Fingers on home row. • Fingers curved and on top of keys. • Palms slightly up off the keyboard and wrists straight. Only your fingertips should be touching the keyboard. • Elbows relaxed and in to side. Palms and wrists do NOT touch the keyboard or table.
Keyboarding Technique • Fingers are on Home Row • Let your fingers do the moving. The rest of your hand should remain as still as possible. • Use your index fingers as anchors when reaching for other keys. • Type with a light touch. • Type with a steady rhythm.
Avoid Eye Strain • Avoid glare on your screen from windows and bright lights. • Adjust screen’s contrast and brightness to reduce eye strain.
Avoid Eye Strain (Cont’d) • Blink frequently to keep eyes moist. • Look far away from your screen every five minutes. • Take a thirty-second to one-minute break and walk away from your computer every half-hour.
Hand Exercise The following slide show an exercise you can do if you work at the computer for long periods of time. Do this exercise every 30 minutes.
Hand Stretch • Spread your fingers until you feel the stretch. Hold for 5 seconds, relax, then bend for 5 seconds
Respect Your Computer Never have food or drink near your computer. Do not touch your screen. Do not bang on the keyboard.
It is important to remember the correct way to sit at your computer: • Sit up straight and tall. • Pull the keyboard to the edge of the desk or table. • Put both feet on the floor, if you can, or directly under your table. • Keep your elbows at your sides. • Now, hold your hands with curved fingers above the home keys.