Computer Ergonomics and Health Issues

 

Unit One

Lesson 4 Questions:

• 1.     Define the computer postures?
• 2.     Discuss the correct computer postures to prevent computer health issues?

Lesson 4 Answers:

1.     It’s how someone sits at their computer.

2. The correct computer postures while using a computer that can help you to prevent health issues are

·        Keeping the computer on suitable table at eye level or a little lower.

·        The distance between the computer screen and the eye to be 18—28 inches or 45 – 70 cm.

·        Keeping the user’s back straight against the back of the chair and keeping shoulders relaxed.

·        Keeping legs vertical to the ground with the soles flat on the surface.

·        Keeping the mouse near the computer, keying in words lightly and moving the wrist as appropriately while keeping the keyboard straight at an elbow level or even lower. 

·        Adjust the light on the computer to make the eyes comfortable.

·        Blink and take eyes off the screen on and off. 

   .    Take a break in between work, walk short distances.

(@ Abdalla Saleban)