There is no doubt that using a laptop or a netbook for a long time can cause serious injury to your body and can bring on serious wrist injury.
Why using a laptop can harm me ?
scientists at the Ergonomic Departments at Cornell and Harvard University agree that the design of laptop computers violates the basics of ergonomic requirements for a computer, That is to say , that the keyboard and screen are separated. When the keyboard is in the proper position for the wrist, the screen is not at the right height for viewing and vice versa.
So , what are the Ergonomics basics to use a Laptop or Computer devices ?
This short video will show you exactly the Ergonomics basics to use a Laptop or Computer devices for adult and children :