1. Is it necessary for tennis to wear tennis shoes?

First of all, what we need to know about tennis shoes is that playing tennis needs to wear tennis shoes. Its special structure will help you improve the ball skills, enhance effective Running, and improve the level of players.It plays a good protective role.Different sports projects have customized sports equipment for the needs of the athletes of the project, which is the equipment that is most suitable for the project.

Secondly, tennis friends often say that tennis is hit with feet, so tennis shoes as equipment that protects our feet and improve your movement efficiency is even more important.tennis is a sport that pays great attention to Running.And the general running shoes are not very good, and the speed of changing direction is very slow, resulting in easy stomach stomanas and excessive wear.So it is necessary to wear a pair of comfortable tennis shoes when playing tennis

The soles of tennis shoes are equivalent to the other foot of the athlete. The soles of tennis shoes have certain elasticity, which can help the muscle function of the soles of the feet. It must have a certain texture design to ensure a certain friction with the ground to prevent slipping.There is a certain curvature, auxiliary players bounce.In tennis, different tennis venues need to be paired with different types of tennis shoes.The tennis venue is divided into different types, and the outsole patterns of professional tennis shoes on different venues are different. We need to choose more suitable tennis shoes according to different frictions of different venues.

2. What are the functions of tennis shoes?

1. tennis shoes are shoes designed for tennis. The main purpose is to provide athletes with good support, stability and grip.In tennis, athletes need to move quickly, emergency stop, and turn around, so the design of tennis shoes has fully considered these movement characteristics.

2. The soles of tennis shoes are usually used for rubber materials to increase grip and wear resistance.In addition, the soles of tennis shoes will also add some special patterns and grooves to improve the stability and flexibility when playing.

3. The upper of tennis shoes is usually light, breathable materials, such as mesh cloth and synthetic fiber.Such a design can ensure the lightness and comfort of the shoes, and it is also conducive to the athletes sweat.

4. In tennis, athletes need to frequently move and turn around. Therefore, tennis shoes will emphasize the support performance of the ankle and foot when designing.The upper and soles of tennis shoes will use some special designs to ensure the stability and safety of athletes during exercise.

[The role of the arm protection] What should I do if I have the arm muscles and the muscles of the arm protection?

1. What are the effects of the arm protection armor?

The arm protection is no stranger to people who love to play basketball, but many people may not know much about the effect of arm protection. Most of them think that the role of the arm protection is used to pretend.EssenceEssence

Because I often see on the wild stadium, the whole body basketball equipment is complete, and the equipment party is in place from head to toe, but the ball skills are the equipment party.

Of course, the role of the arm guard is not only as simple as pretending:

1. Keep the tightness of the arm temperature and muscle. The temperature is to ensure that the energy of the arm is not easy to lose. The tightness is to keep the muscles that adapt to the state of strenuous exercise.

2. If you often bring a ball breakthrough and do not want to leave the nail seal or palm print on the arm of the usual hand, you can bring an additional arm protection arm.

3. The arm protection has a protective effect on preventing the re -injury after strain.

4. Aesthetic effect.

Sometimes it is found that the general offensive shooting players who take the most offensive means and the players who like to break through have the habit of carrying the arm protection. While maintaining the muscle tightness, you can also maintain the feel when you are shot.

2. What should I do if my arm muscles are strained

After muscle strain, first confirm the severity, lift your arms, or shake your arms to see if there will be severe pain.In general, after muscle strain, the pain is painful. With your hands, you can touch the cable -shaped hard block formed by the tension of the muscles. The pain is obvious, the local swelling or subcutaneous bleeding, and the activity is obviously restricted.

If it is just a slight strain, it feels not very strong, but it will hurt when taking heavy objects or raising the arms. It is recommended to apply hot compresses in the most painful point. After the hot compress, it will be reduced a lot. It will be fine in two days.

The moment the muscle strain feels severe pain, it is necessary to treat it immediately, and use cold water to rinse the local or wrap the ice with a towel until the pain and hotness are reduced.

After cold compresses, use a bandage to wrap the damage part properly to prevent swelling.

Slowly relax the muscles of the damage and raise the wounded limbs, you can take some pain relief and hemostatic drugs.

After one day, dismantle the bandage and according to the injury, you can affix the blood circulation and swelling and the swelling plaster. You can massage the damage locally with a relatively lighter method.

If the muscles are severely strained, if the muscle abdomen or tendon is pulled out, you should go to the Hospital for surgical sutures. Do not handle it yourself.

Where is the anti -counterfeiting code of Tyrannosaurus glasses

The anti -counterfeit code of Tyrannosaurus glasses is on the right leg of the frame, where the label is stuck, three sets of numbers, in total12 indivual.Can dial defense bai The official phone on the pseudo code, according to the voice prompt, enter the back of the Tyrannosaine Type tag 12 In the anti -counterfeit password, the query results can be obtained.Or enter the official anti -counterfeiting website of Tyrannosaurus glasses, enter the back of the glasses tag 12 The number of anti -counterfeit stickers can also get query results.

How to check the authenticity of Tyrannosaurus Sunglasses

1 , View tag

Tyrannosaurus Sunglassesbolon All products are equipped with non -separated tags. There will be a lot of useful information about Sunglasses on the tag, including the place of production, function, purple prevention index, or partial light.At the same time, it is impossible to be so detailed.

2 , Identify label

There are anti -counterfeiting labels on the legs of each Tyrannosaurus Sunglasses, and there are anti -counterfeit graphics on the label. When you look at it from above the graphic, you can see the gray -black black on the upper part of the graphic.bolon words, the lower half is only complicated patterns, there is no text; correction is regarded as side vision, and the upper part of the anti -counterfeit graphic bolon The color of the word deepen becomes black, and hidden in the lower part of the pattern bolon words.If the anti -counterfeit label patterns are not the above -mentioned changes are fake tyrannoscroe Sunglasses.

3 , Query anti -counterfeit code

The anti -counterfeit code on the Sunglasses frame is used for query, the query method phone query, and the official website inquiry can be used. The specific method has been described above.

4 , watch the small knife mouth

The upper above the genuine anti -counterfeiting label7 At the small knife mouth, please take a closer look at my standard A1 In the place, it is not difficult to find the knife mouth.But on the imitation side, it's my standard A2 In this area, there is no phenomenon of small knife mouths. Although it is more realistic in other locations, this detail is not as useful.

5 ,observe" yarui Logo

This logo is very important for anti -counterfeiting labels, and it is an important aspect for us to distinguish authenticity.Everyone pay attention to my standardB1 As well as B2 Two places.Genuine B1 The laser anti -counterfeiting at the point is 360 The effect of the three -dimensional relief of the full perspective of the full perspective, rotate left and right under the light " yarui "The letters will show a change in curved surface zooming. But the imitation is here B2 The laser anti -counterfeit three -dimensional effect is not very obvious. It also shows the horizontal radial pattern on it, and it cannot be seen. " yarui "letter.

5 ,look" Y "image

Below the laser mark, there is a letter when viewing normally" Y "The words. But when the genuine changing angle is changed under the light, at a specific angle position, the letters below the laser" letter " Y "It is hidden. Y "No matter how to change the angle, he is showing there normally, and there is no hidden effect. Therefore, when observing the angle of the change, except observing the letter" yarui "The size changes, pay attention to the letters" Y "Changes. Tyrannosaine glasses products & gt; & gt;

cleaning and maintenance of swimming moster

1. After swimming, wash the swimming mirror with water, and then put it in the swimming mirror box.The advantage of this is to avoid some unexpected damage to the Swimming goggles.

2. When cleaning the goggles, be sure not to use organic solutions, such as alcohol, these organic solutions will cause corrosion of the lens, and the anti -fog effect of the Swimming goggles will be greatly reduced or even disappear.

3. When there is oil on the surface of the swimming moster, choose the neutral when selecting the cleaner, clean it with the fingertips, then rinse it with water, and then prevent it in a cool place.

4. Do not expose the Swimming goggles in the sun, or put it in high -temperature environments such as car trunk and radiator.Because the anti -fog agent of the swimmingoscopy will be damaged due to high temperature or ultraviolet rays, shortening the anti -fog life.

5. The raw materials of the eye masks, nasal bridges, headbands and other accessories of the Swimming goggles are fine glue or plastic. To avoid aging, high temperature environment should also be avoided.

6. When wiping the swimming lens lens, do not use anything to wipe directly to avoid destroying the anti -fog film layer.When the anti -fog effect of the swimming moster is not very good, you can use the swimming mirror anti -fog agent appropriately.

7. In the case of wet goggles, it is best not to put the swimwear, towels and other items together to avoid causing coloring. In addition, do not pull the eye mask casually after use. If there is no need, do not disassemble the parts.

8. Before using the Swimming goggles, the swimming moster can be used with water with water and the anti -fog function can be fully played.

9. It is best not to touch the lens with your fingers, so as not to leave your fingers, or let the oil polluting the lens on your hand.Because the contact with the eyes in the swimming mirror is partially a closed space, wearing it for a long time can easily lead to hypoxia.Therefore, it is recommended to take the swimming lens for a while each time it is used to allow the eyes to replenish fresh air in time.

What are the precautions for swimming moster use

1. Pay attention to check whether the mirror is transparent and whether there is scratches.

2. Check whether the pad (rubber) of the goggles seal.

3. Pay attention to the width of the bridge of the swimming mirror.The width of some Swimming goggles can be adjusted, while others are not possible, so be sure to try it to see if it is appropriate.

4. The quality of the Swimming goggles.If the elasticity and firmness of the band is not good, it is easy to damage, so pay attention to the quality of the band when choosing.The higher the price, the better. If you want to buy the cost better, you can choose a athletes for athletes. It has very good cost performance.

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1. How to choose a Swiss military knife

1. Choose the right size

There are many sizes of the Swiss Army knife. The most common is: 58mm, 91mm, 111mm (MM represents millimeters, and numbers indicate the length of the Swiss military knife folding).

The 58mm Swiss Army knife is small and exquisite, which is similar to a large key length. It can be hung on the key chain or placed in a shoulder bag. It is convenient to carry it with you.91mm is more suitable for most people to grasp, the most styles, and there is a lot of room for choice.111mm is suitable for men with large palms. It is very important to grab and hold it, but it is not convenient to carry.

2. Choose suitable features

There are many styles of Swiss Army knife. Different styles have different functions, focusing on highlighting some specific purpose.For example, rescue tools are used to rescue in accidents, and artisans are a micro toolbox.

Before buying the Swiss Army knife, first think about what functions you need, such as in daily life, the main knife, scissors, screwdriver, nails, and bottlers are used more.

Of course, everyone's needs are different.If you need to use a variety of tools in your work, you can buy some functional Swiss military knives, such as: Swiss champion, craftsman, they can become your portable toolbox; if you often drive outside, put a rescue Tool in the car, put on a rescue Tool in the carIt is necessary to need it from time to time; if it is an office worker, you can choose simple and small functions, such as models and signature pens, which are convenient to carry and solve some small troubles.

If you do nt know what your needs are, you can consider buying a Swiss Army knife with moderate functions, such as: campers, explorers, hunters, repairing craftsmen, they can meet the needs of daily life, or they can directly let the store recommend a few more to recommend a few times.See, see which one is appropriate.

2. Swiss knife authenticity method of identification

1. Look at the appearance.The authentic Swiss Multifunctional knife is beautiful and elegant, and the color is very innocent and bright.If the appearance is dim and the color is not pure, it is likely to be a inferior or imitation Multifunctional knife.

2. Look at the workmanship.The authentic Multifunctional knife is delicate and delicate, from the handle to the knife body, including the connection is very strong.Even the classic "" logo must be very strong, inlaid instead of sticking.

3. Look at the material.The authentic Multifunctional knife is made of excellent stainless steel. The knife will sparkle under the light of light, so most of the multi -function knives that are not stainless steel are fake.

4. Look at the price.Generally, the price of authentic Swiss knives is more than 200 yuan, and more than 30 functions of more than 30 functions.Therefore, the Multifunctional knife below 150 yuan is rarely authentic, and about 100 yuan is fakes.Therefore, if you want to have an authentic Multifunctional knife, you must spend money, otherwise you will just buy a copy.

5. Look at the logo of a multi -function knife.The bottom of the main knife of the authentic Victorinox Multifunctional knife will write such an English logo: VictorinoxswitzerlandStainlessrostfre, but some models do not bring the final "Rostfre (German: Stainless Steel)", and the authentic Multifunctional knife has the classic logo "" "" ""Number.

6. Select the right shopping mall or agent to buy.If you want to buy authentic multifunctional knives, you must go to a regular large shopping mall, or find a qualified Multifunctional knife agent, and ask for an invoice.

7. Ask if there is a good after -sales service.When buying a multi -function, be sure to ask how after -sales service is so convenient for later maintenance and maintenance.The seller is required to explain the time of warranty and maintenance.

8. Choose a suitable Multifunctional knife according to your own use.According to the length of the Multifunctional knife, it can be divided into three models: small, medium and large models. Small ones can be carried as a Keychain with about 5 cm. It is suitable for children to use;Use; large ones are about 11 cm, suitable for men with larger palms, suitable for use in wild adventure.You can also choose according to the Swiss military knife function.