Busy outside, you have to enjoy it when you return home. Every joint of your body needs to find a place to stretch easily. Sitting on a soft and comfortable sofa is the most suitable. Therefore, in addition to the sofa brand and style, it is also necessary to pay attention to the dimensions of the various parts of the sofa should meet the requirements of ergonomics, so that the surface suitable for the physiological structure of the human body is better. In addition, if the living room is small, a sofa bed with a sitting function is a good choice. So, what kind of sofa is comfortable and healthy?
The back of the sofa is soft and filled
The softness of the sofa is better at the middle and harder. It is too hard to sit and feel uncomfortable. It is too soft for people to sit up and shrink into a ball. It will be uncomfortable for a long time. Some well-branded sofas are equipped with a "waist-filled" that can be used to hold the waist. If there is no "waist-filled", you can make your own cushions to avoid fatigue when sitting for a long time.
Sofa backrest height
From the ground to the top of the backrest, about 680-720mm is the most suitable.
Nowadays, many people like to use high-back sofas. In fact, this is not scientific, because when people rest on the high back, the waist, back and back should leave a certain distance, and the body and the sofa contact surface are less, so that they can not sit. How long will it cause fatigue due to nowhere to rely on the waist and back, and in this respect, the low-back sofa has obvious advantages; this is because people sit on the sofa, the back of the body almost depends on it, the contact area Large, the body feels comfortable, and the sitting posture is also beautiful and graceful.
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On the other hand, in some cultural atmospheres or formal places that require “sitting, standing,†high-back sofas have natural advantages, such as courts, churches, western scholarly families, and high-back sofas. Classical sofas in China also often use high-back sofas - the Taishi chair is a typical, and the reclining chair, dining chair, etc., such as the backrest inclination can be greatly adjusted, the backrest of the seat is also higher.
The slope of the back of the sofa
The slope of the backrest of the sofa is preferably 92 degrees to 98 degrees. If it is too straight, it becomes a backrest chair, which lacks the beauty of the line. If it is too oblique, it becomes a reclining chair. The best bending inclination should be that the upper part of the backrest of the sofa back should be The human hindbrain fits into the curved part of the neck.
Sofa width and depth
The width of the front part of the single sofa and seat should not be less than 480mm; the double sofa should be above 950mm; the three-seat sofa should be between 1400-1450mm, the depth of the seat should be between 480-550mm, when the body is maximal When sitting on the sofa, it is better to keep the knee joint outside the sofa.
If the sofa is too deep, the back cannot be completely attached to the back of the sofa when sitting down, so that the waist lacks effective support, and the waist muscles are always in a state of tension and contraction to maintain the sitting position. If the time is long, the lumbar muscles will be strained. If the width is too deep, it will not be used, and it will occupy more room area. If it is too narrow or too shallow, it will not meet the requirements for use.
Sofa height
The height of the seat should be equal to the height of the person's calf plus the heel of the shoe or a slightly lower height. It is between 350-420mm. If the seat is too high, the feet will be suspended, the weight of the human body will be pressed against the legs, the back muscles will be tight, and the load will increase. The muscles in the legs and back will feel sore for a long time; Low, the back muscles are not in a natural state, the stress on the thighs will be reduced, and the muscles will be sore for a long time.
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