Sit correctly on a chair

To maintain proper ergonomics, choose a chair that supports your spine and adjust the height to ensure your feet rest flat on the floor. Position your armrests gently, and keep your elbows close to your body. If your desk is too low, use sturdy boards or blocks to raise it, or raise your chair if necessary. Pad the edge or use a wrist rest to protect your wrists from contact stress. Place your computer keyboard and mouse in front of you, keeping your wrists straight and your upper arms close to your body. Place your monitor directly behind your keyboard, no closer than 20 inches and no further away than 40 inches. Lower the monitor if you wear bifocals for more comfortable viewing. Consider using an external keyboard and mouse and a laptop stand to mimic a desktop setup. Keep frequently used objects close to your body to minimize reaching, and stand up to reach them. If you spend a lot of time on your phone, use a speaker or headset instead of cradling it between your head and neck.

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