Man spent years experimenting to find out what is best for sitting. After that, he experimented for years to know how to sit properly.
At home, workplace, street, park, cinema and everywhere you need this device to sit.
A chair is one of the accessories that must be designed and manufactured in accordance with safety and security standards and tips.
If these standards and safety tips are not followed, it will cause diseases such as: back pain, leg pain, muscle discomfort and physical health disorders.
office chair
A suitable office chair should cover the four areas of the spine (neck, back, lower back and coccyx).
On average, humans move their upper body 53 times during an hour while sitting, and nearly 28% of these movements include leaning and turning.Most office chairs do not allow a person to easily move their upper body in the desired position due to the immobility of the support and seat. To solve this problem, the user moves away from the back of the chair, which result s in losing the support of the back of the chair.
On the other hand, most work chairs do not cover all four regions of the spine equally.
Changing the posture of the body in a sitting position is done by hip and thigh, knee and ankle join ts.
An ideal work chair should allow proper movement of these join ts.
Specifications of a suitable office chair
- Adjusting the back of the chair and how the beads are placed on it is one of the most important factors.
- The middle part of the chair should not disturb the blood circulation in the legs, especially in the knees, and the blood should collect in the knees.
- The elbows should also be 8 inches apart from the shoulders.
- The back of your chair should be spring type.- A good office chair should create a safe and comfortable support for your body that is suitable for performing your tasks.
- Blood circulation to the lower parts of the body should not be interrupted.
- Maintain or change status easily.
- Have a support for the spine.
- Its surface should have the necessary friction to prevent slipping and slipping.
- Be moisture permeable.
- The chair handle can also protect the neck and shoulder muscles and be used as a support for getting up
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