The incidence of osteoarthritis is closely related to age. “Actually, if our lives are long enough, all of us will get osteoarthritis.â€
Why do you have osteoarthritis as long as you reach a certain age?
Because it is a degenerative disease, a disease directly related to aging. Osteoarthritis mainly refers to the degeneration of cartilage in the joint. The cartilage is the organ of the human body. It will age like hair and teeth. Osteoarthritis will occur after degeneration. This is a process in which the body naturally ages.
Does the old man dance the square dance to damage the joints?
A lot of sports that a lot of aunts and aunts love are called square dances. Does this cause damage to their joints? Exercise is a double-edged sword for cartilage. Under normal circumstances, exercise is a must. The nutrition of cartilage needs to be nutrients by joint fluid. In the process of weight bearing, the joints of the human body can be squeezed by the cartilage to absorb the nutrients in the joints. There must be exercise, and cartilage can provide its own metabolic needs. However, if excessive exercise, the chondrocytes are subjected to excessive compression or excessive friction, which may cause damage.
Fortunately, scientific exercise can reduce the damage caused to cartilage during exercise.
In fact, in the process of exercise, our joints will bear tremendous strength. Most of this force is actually absorbed by the muscles, tendons and some soft tissues around the joints, not all of them are transmitted to the cartilage. Therefore, if your muscles are more developed, it is not easy to cause excessive damage to the cartilage. The most worrying thing is that some people do not participate in sports at ordinary times. However, in certain occasions, such as when a unit engages in a sports meeting, it is necessary to perform very vigorous exercise, which will cause great damage to the cartilage.
The dance of square dance is the same. Square dance and running are only a lot of rotating movements. In fact, in the elderly, if there is not a good warm-up, usually not a lot of exercise, do this. Rotational motion may cause damage to the cartilage within the joint. Therefore, it is necessary to do some Other sports in peacetime, not to say that only dancing is a sport.
Arthritis is an irreversible disease due to the wear of the knees. Therefore, be careful in daily exercise. Do not exercise excessively. Do not exercise vigorously. Be careful and prevent knees from being injured and aggravate the formation of arthritis.
The fundamental difference between it and the dye is that the dye can be dissolved in the dyeing medium used, while the pigment neither fills the medium in which it is used nor the substrate to be colored. Excess pigments and dyes are chemically identical in structure, and can be converted into each other by different methods of use, so that certain vat dyes and sulfurized vat dyes can be used as fiber dyes if they are reduced to leuco. If it is not reduced, it can be used as a pigment as an advanced ink. Organic Pigments are widely used in inks, paints, coatings, synthetic fiber coloring, as well as fabric printing, plastics and rubber, leather coloring, etc., in which the ink is used in the largest amount. At present, the volume of organic pigments accounts for about a quarter of the total volume of the dye.
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