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Anonymous users2024-02-05The air cushion is also divided into sole and zoom, the ankle is easy to hurt and the air cushion has nothing to do with the wrapping of the shoes, the air cushion generally plays a role in cushioning, and it is more comfortable to wear.
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Anonymous users2024-02-04The air cushion has a good shock absorption effect, while there is no air cushion only shock absorbing glue, and the ankle is easy to hurt.
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Anonymous users2024-02-03Pros:Air cushion shoes provide cushioning for the legs and feet, making them the go-to piece for sports such as running.
Cons:A new study in the United States has found that wearing air cushion shoes increases the risk of foot injuries and leg pain.
Professor Christine Pollard of Oregon State University said: "We thought that high-cushioning shoes would reduce the impact forces that lead to injury, but these impact forces increased rather than put more stress on bones, muscles and joints. This means that wearing air cushion shoes increases the risk of running injuries. ”
There are 5 basic types of Nike cushions: Air Sole, Nike Air Zoom, Nike Air Max, Total Air and Tuned Air. Among them, Tuned Air is already difficult to see.
In 2017, CCTV 315 Gala** Nike a Hyperdunk 08 FTB air cushion shoe did not have an air cushion, which was suspected of false propaganda and encountered consumer rights protection. Nike's first air cushion technology was developed by pouring gas into a tough layer of synthetic rubber at high pressure, and treating the gas inside the rubber layer so that it could not pass through the outer rubber layer.
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Anonymous users2024-02-02The shoes with built-in air cushions may be full palm or half palm air cushions, and we only need to test the back feet. Here's how: lift one foot, raise the toe with the other, heel to the ground, and use the weight of the body to press down to feel if there is an air cushion.
This method requires the tester to have a certain amount of experience, for example, the characteristics of the Zoom air cushion are that the force point will obviously sink and rebound, while the ordinary SOLO air cushion will have an overall sense of decline due to its strong support.
Take out the insole and look at the insole After taking the insole out, take a closer look at the top of the insole. In recent years, shoes with air cushions generally have such small holes in the insole under the insole, and the position of the small hole is the position of the air cushion. This method is simple and accurate, let's take a look at this Jumpman Elite I teardown diagram.
The green circle is the hole where the cushion is exposed.
At that time, when the shoes were dismantled, there was no small hole in the insole that could expose the air cushion, but its stitching method was different from now, its insole ** had a suture line from top to bottom, dismantling this line, the bottom was the air cushion, and the shoes without the air cushion were generally not stitched in this way, and this suture line could also identify whether there was an air cushion in the shoe. Press it again, and whether the feeling is different from the softness and hardness next to it is basically counted.
<> Nike shoes with air cushions will be marked with an air or zoom logo in front of the shoe name. If you add a Zoom cushion inside, you can't feel it with your hands. If you want to determine whether the shoes have air cushions, you can look at the uppers, tongues and other places of the shoes to see if there is an air or zoom logo.
If you're not sure, just look at the name on the shoebox. The role of the air cushion is to absorb shocks, if you want to buy shoes with air cushions. Look at the air column inside, there are a lot of fakes now.
The air cushion of the general fake does not work at all... The easiest way to do this is to press down on the sole of your shoe... Elasticity can be bought.。
If not, you can basically conclude that they are not real shoes.
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There are a lot of them.
I feel that the data is unrealistic, the problems on the board are known in advance, there is no technical content, in fact, it is a few test points, CPU, memory, the voltage of the north bridge knows, reset, test card, fixture lamp, table will be used, oscilloscope aunt can not be, just look at a crystal vibration, come to a programmer, hot air station, heat gun, plate washing water, pine perfume, tin wire, soldering iron, as long as you find someone who will take it, know the role of each chip on the board, the relationship between them, and then it depends on the individual, one person one idea, As long as you know the principle, be bold and careful, read more books on electronic components, no matter how complex the board is, it is also composed of resistors, capacitors, inductors, diodes, transistors, field effect transistors, and chips, as long as you know the characteristics, you should not change everything, but also have a bunch of accessories and old boards, it is better to have parts than inspiration, and you must have ideas After the board is repaired, the customer says that there is a problem, and the board and the brand will probably know which is broken, and everything depends on yourself, as long as you want to learn, you will always be able to, there are masters with you, and you will get started in a year. Let's start with the 370 board, most of them are batteries, jumpers, clock chip desoldering BIOS dirty and the like, down is 478 of 462, no matter how high-end it has not passed the warranty period, you can measure it, don't look for trouble.