1. Why do you wear sports sleeves when playing basketball

When watching basketball games, careful friends will find that some basketball players will wear cuffs on the arm of the armor. The cuff is also known as a sports Sleeve and basketball arm. Wearing basketball sleeves is mainly to protect the armsWhen playing basketball confrontation, it is easy to strain the muscles. The Sleeve cover can help compress and protect the muscles and reduce damage. When falling on the ground, the Sleeve cover also has an cushioning effect on the elbow.The role is relatively large:

1. Fixed shooting posture

Powerful orientation telescopic makes the shot aids difficult to bias.

2. Compressed muscles

Apply pressure to the specific parts of the body, and use the characteristics of blood circulation to maximize oxygen absorption to help basketball players fight fatigue and reduce the risk of damage.

3. Quickly sweat

basketball sleeves can spread and discharge sweat and moisture quickly, reduce the temperature of the body, and control the body temperature on the human Skin to ensure the best state during exercise.

4. Anti -UV sunscreen

basketball sleeves also have sunscreen functions. Playing basketball in indoor venues may not be needed. However, in the Outdoor basketball court, wearing sports sleeves can also fight ultraviolet rays and avoid arms sunburn.

In addition, sports Sleeve sleeves also have a certain decorative effect, so many friends who play basketball will wear Sleeve sleeves and then play basketball.

2. How to wear basketball Sleeve

The wear method of basketball Sleeve is not difficult, similar to the wearing method of ordinary sunscreen sleeves, but in order to not reduce the effect of sports, generally only one Sleeve cover is usually worn.It is right -handed, so it is generally worn on the right hand. It can completely tie up your muscles when you can get dribble, shoot, and layup to achieve better results.

1. How much is a pair of training shoes

training shoes are a must -have equipment for each sports enthusiast. Choosing a pair of suitable training shoes can not only improve sports performance, but also effectively protect your feet and reduce sports damage.So how much is a pair of training shoes?

Generally speaking, the price of training shoes of ordinary brands ranges from hundreds of yuan, and the price of some well -known brands or high -end models may reach thousands of yuan, and you can choose according to your needs.

2. Types of training shoes

1. According to the material

(1) Natural leather: such as cowhide, sheepskin, pork leather, etc., it has the advantages of softness, breathability, warmth, folding, durable, etc.

(2) Synthetic leather: A plastic product that simulates natural leather is usually made of impregnated non -woven fabric as a mesh layer, and the microre polyurethane layer is made of grain layer.And have a certain breathability.

(3) Factory material: usually uses flying weaving technology to form a soft, comfortable and breathable upper. It has the characteristics of lightweight and comfortable, and has good elasticity, toughness and wrapping.

2. divide by function

(1) Shock -absorbing training shoes: This type of training shoes is mainly designed for people with heavy weight or inner feet.They absorb the impact of heels and Running movements through special sole design and structure, thereby reducing the impact and injury risk of feet during Running.The external characteristics of this type of shoes are the thickness of the arch of the foot, and the weight of the shoes is medium.

(2) Captive training shoes: The design of this training shoes is to provide good ground grip and stability, suitable for wear during training that needs to maintain balance and stability, such as squatting, hard pull, etc.During strength training.

(3) Stable support training shoes: designed for people who need to strengthen foot stability.This shoe usually has a special sole structure and a strong outer support to help prevent the foot from excessive internal or external rotation.This can reduce the risk of injury and help improve the efficiency of Running or training.

3. How to choose training shoes

1. sports:Different sports require different types of shoes.For example, running shoes emphasize buffer and shock absorption, basketball shoes focus on non -slip and side stable support, and strength training shoes are stable.Learn about your main exercise, and choose the corresponding shoe type.

2. Material

(1) The soles of training shoes should have the functions of shock absorption, support and abrasion to meet the needs of different training intensity and amount of exercise.Some elastic and buffer properties, such as rubber, EVA, can provide better support and cushioning effects.

(2) The upper of the training shoes should be breathable, wear -resistant and supportive to maintain the dryness and comfort of the feet.The mesh material can provide good breathability, while the leather material can provide better support and wear resistance.

3. Foot type:Know your own foot type, such as normal foot, high arch or flat foot.Those who are high -footed should choose shoes that emphasize shock absorption. Those with flat -footed feet need to support shoes with strong functions.

4, shoe number:When trying it on, you should wear sports socks and leave enough space to ensure that the shoes are fitted during exercise.

5. Back help:After selecting the shoes, help the shoes that are hard enough to make the sides of the heels reliable to prevent shaking during exercise.

6, middle and front shoe soles:According to the needs of sports, select shoes with appropriate hardness of the middle and front soles.

7. Life life:Pay attention to the service life of the shoes and replace the deformation or decreased shoes in time.

8. Personal needs:Considering personal needs, such as support, stability, control, buffer, shock absorption, rebound, anti -slip, sweat, breathable, antibacterial, deodorization, wear resistance, balance, lightweight, grip, correction and other functions.

[Semiconductor Cold Warm Box] Four Questions and Answers on Cold and Warm Boxes on car Cold Box on car Cold Box

In the current domestic market, there are as many companies that produce car refrigerators. Many small manufacturers, cut corners when they produce products, have a bad cooling and heat -making effect. If it is not used properly, it may cause damage to the car battery. ThereforeFriends must choose carefully.Many friends who do not know how to choose the car warm and warm box, they all have such questions, Xiaobian will give answers one by one here!

First, can the car warm and warm box make ice?

If you want to know if you can make ice in the car, you must first figure out its working principle.At present, the most car warm and warm boxes on the market are actually used to refrigerate with semiconductor materials. This material uses the Partia effect to work (please Baidu for children's shoes that do not understand), so the cooling effect may be worse than the compressor.Some, but this does not mean that the car warm and warm box cannot be made of ice.Some manufacturers' products, such as Deng Lupu's car warm and warm box, can still use the powerful refrigeration effect to make ice as long as they are equipped with an ice box and a partition.

Second, what are the attention of the Car refrigerator in daily use?

Many of the car refrigerators need to pay attention in daily use. First of all, it must be kept clean, especially at the ventilated port, because the heat inside the refrigerator is released here, and it will be troublesome if it is blocked.There are also daily cleaning and scrubbing with neutral soap and wet cloth. Do not insert electricity.The second is about temperature. It is best not to put very hot food into the Car refrigerator. In addition, because the power of the Car refrigerator is small, the refrigeration effect will not be as goodDrinking ice cold drinks when walking, it is recommended to refrigerate in the refrigerator first, and then put it in the Car refrigerator, which will be much better.

Third, will the Car refrigerator hurt the car battery?

Of course not.The power of the Car refrigerator is very small and generally does not exceed 100W. Such a small power cannot cause damage to the car battery.However, the owner should also pay attention to the daily use that the ordinary car thermal box, it is best not to use it for a long time after the car is stopped, which may cause the battery to put it.Therefore, when buying consumers, pay attention to choosing products with low -pressure protection functions, so that if you accidentally forget to pull out the cigarette barrel, it will not cause the car battery to put it.

Fourth, can the Car refrigerator be used at home?

Yes, but you need to be equipped with a home power converter.The function of the household power converter is to convert the voltage of 220V into a 12V voltage. With this thing, it can be used.

car warm and warm box

The car warm and warm box uses electronic refrigeration and heating technology, which is polluted and environmentally friendly. It can be placed on a seat or floor in the car. You can easily and conveniently put food at will. It has dual functions of refrigeration and heat.

It specially involves suitable for car supporting. It includes the main body of the warm and warm box, the tray, and the two -way plug. The main body of the warm and warm box is provided with semiconductor refrigeration elements. The main body of the warm and warm box is set on the tray., Double -directional power plug is inserted in the jack of the igniter.The product power supply is convenient. As long as the power plug is changed to the positive and negative polarity, the cold and warm box can achieve the effect of refrigerating or heating. In summer, cooling and warm in winter.People can heat cool drinks at any time during their journey.

Feature characteristic

With the dual function of refrigeration and thermal heat, it is very convenient to use, and it also increases the aesthetic effect in the car. It is suitable for use in long -distance travel, solving the problem of freshness, refrigeration, and heating of food and food during the operation of the company.The structure of the existing car body.Save space in the car, convenient and practical

Use

Cross the cigarette lighter plug with the car warm and warm box, and you can directly connect the car cigarette lighter. You do nt need to install it simply. You can choose the corresponding LED indicator light according to the cooling requirements.Heating, in order to achieve the ideal heating or refrigeration effect, preheat or refrigerate before putting food or drinks.Equipped with hot and cold conversion switch to adjust the hot and cold function.It is also suitable for workplace, Picnic, school, long -distance travel, Camping, party, beach and other places.

2022 Winter Olympics Free Ski List

1. Free -style Ski air skills team

Leader: Yan Xiaojuan

Head coach: Dimitri Kavanov

Coach: Dennis Carpperkkk, Yevitini Bonovoski, Ji Dong, Ou Xiaotao, Dai Shuangfei, Cedame

Team doctor: Yang Wanhong

Female athletes: Xu Mengtao, Kong Fanyu, Shao Qi

male athletes: Jia Zongyang, Qi Guangxi, Sun Jiaxu, Wang Xindi

2. Free -style skiing skills team

Leader: Hu Jie

Head coach: Toby Datoma

Female athlete: Li Nan

Athlete: Zhao Yang

3. Free -style Ski U -shaped venue team

Leader: Li Zhi

Management: Wang Haoli

Head coach: Elena -shredded

Coach: David Izweig, Liu Yufei

Fainer: Luke Bayer

Team doctor: Zhao Yiming

Rehabilitation division: Tu Junwei

Female athletes: Gu Ailing, Zhang Kexin, Li Fanghui, Wu Meng

male athletes: Mao Bingqiang, Sun Jingbo, Wang Haizhuo, He Binghan

3. Free -style Ski jumping platform and slope obstacle skills team

Leader: Li Yang

Management: Gu Yan, Wang Qiangjun

Head coach: Misla Tolney Ainein

Coach: Shirakawa Dabu, Jamie Gray Melton

Female athletes: Gu Ailing (both), Yang Shuorui

male athlete: He Jinbo

4. Free -type Ski obstacles chasing team

Leader: Cai Yongjun

Management: Liang Li

Team doctor: Wang Fang

Female athletes: Ran Hongyun, Pu Rui

Free -style skiing originated

Freedom skiing was born in the United States in the 19th generation. At that time, the United States was in a period of change. The psychology of people's eagerness of freedom prompted this new stimulating Ski project to appear in front of people.This project initially only set the alpine skiing and acrobatics. After decades of development, it became what it is today.

The first free Ski competition was held in the 19th Hampshire. In the following ten years, many brave people created a lot of thrilling movements, and this sport has gradually taken shape.

The International Ski Federation formally recognized free skiing projects in 1979, and formulated new rules in terms of athletes and their jumping skills to reduce the danger of this sport.The first World Cup Freedom Ski Series was held in 1980. France held the first World Free Ski Championship in 198.Freedom skiing is divided into three small items, including snow skills, air skills and ballet on snow.