According to the data showed by the market research firm International Data Corporation (IDC), in this fall, the sales of notebook computers had exceeded the desktop PC for the first time in history. 3 New You Should Know But, that's bad news for back, neck and shoulder. The doctor of New York Norman J.Marcus said that laptop was not fit for ergonomic essentially, unless you were only two feet tall. Therefore, as using the notebook, you should pay attention to the details that affect your health.What is Best for Grandparents? Most-Wanted tiffany&co !
When you work before the computer, the keyboard should be as high as elbow so that you arms can lay on the chair arms. The display and your eyes should be roughly in the same horizontal line so that you can lean your back on the back of a chair. However, most users only put the laptop on the desk or ordinary table. As placing the keyboard too high, you have to stretch your arm high, arch shoulders and bend wrist. In the other hand, the monitor is too low, you need to pull your head and neck forward and down and strain your back. If you just use notebook PC occasionally or in short time, it will not cause too many problems. However, if you sit for hours, then you are in a embarrassment state with your muscles, and it may make your whole upper body ache.
For many years, the specialists of ergonomics have warned people about laptop but it seems in vain. People still prefer to light and thin laptops than heavy desktops. {P14}> Thomas Caffrey, the initiator of Myofactors LLC, said people must be thinking how a mouse or a keyboard would do harm to them. But as the passing of time, bad figure may bring obvious heavy burden to human body. Wrong postures can not only cause the pain and numb on neck, shoulder, back and arms but also results in headache, arthralgia of jaw and carpal tunnel syndromes. Ulnar nerve compression at the wrist of carpal tunnel syndrome patients can cause tingle and numb of hands.