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Anonymous users2024-01-24It's hard to say, it's better to go for a film.
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Anonymous users2024-01-23In fact, it is not low back pain or lumbar disc herniation, anyone will have back pain, if it is frequent, you should go to the hospital for diagnosis, otherwise this disease is very troublesome.
Don't care about your illness first, in the case of normal people, it is also good for physical health to make a hard seat, because the contact area between the soft seat and the body is relatively beaten, the flesh of the buttocks and thighs is relatively soft, and it is easy to be squeezed. Hard seats have a small contact area between the flesh and the seat, less pressure, and can also adjust the position of each compression with the swing of the body, and strengthen blood flow, so that it will be easier. For you are not in good health, it is recommended to put a book (big enough) or other hard flat things on the saddle when you go out, which is good for your body.
Lack of oxygen, poor blood circulation. After going out for half an hour, nothing happened. Buy a puppy for your mother, teach the dog not to poop and pee in the house, go out at least three times a day, and go out every day to walk the dog is good for physical and mental health.
C is chosen for this question, because according to the pressure P=F S, when the force F is constant, the contact area of the person sitting on the sofa is larger than that of sitting on the bench, so the pressure will be smaller, so it will be more comfortable to sit on the sofa.
It's a premature heart beat, so let's see a doctor.
1AllWhen I was sleeping in the couch at noon,I felt you were holding me in your arms,but when I woke up,it turned out that I was hugging myself...