1, the ordinary mouse is the most typical, and it is the most harmful to modern people, especially those who use computers every day. This is an example that is not ergonomic.
2, the mobile phone screen is on the top and the buttons are on the bottom, which is inconvenient to operate and grasp. It is unscientific to press the letter for a long time. In fact, a person's thumb is the easiest to pinch the index finger and middle finger.
Therefore, the mobile phone should also be designed with the screen at the bottom and the buttons at the top, which will be more convenient to operate. Moreover, after people grasp objects with their hands, a space will naturally be formed under their thumbs, which is just suitable for the screen space of mobile phones.
3. The backrest design of the seat does not conform to the human spine curve.
4. Some stairs are unreasonable in height design, which makes them very tired to walk.
5. The area of public space is inconsistent with the actual number of people, resulting in crowded people.