Next, mattress brand company also cut the crap, is strict briefly how to introduce the mattress of the lumbar spine.
1, stick and degrees: lie low is measured by hand the right mattress can make the spine to keep natural stretch, and shoulder, waist and hip joint completely, leaving no gaps.
2, soft hardness remember 3:1 remember a principle: mattress can't hard to deformation, and soft to deformation is not too large.
Might as well choose a mattress, according to the principle of 3:1, 3 cm thick mattress, hand pressure sinking down 1 cm appropriate;
10 cm thick mattress, slightly hollow 3 mm cm soft hard moderate, and so on.
Lie down on the mattress, the hand to the neck, waist and hip down to the thigh between this three obvious bending into horizontally, look have gap;
To turn over to one side, try it with the same method curve concave parts of the body and is there a gap between the mattress.
If the hand can easily penetration in the gaps, it indicates that the bed is too hard.
If the palm of your hand close to gap, it shows that the mattress with people during sleep neck, back, waist, hip and leg natural curve apt.
The knowledge is the mattress brand companies to share, there are more questions to pay attention to our website, we will continue to update.