The role of football socks

1. football socks are thicker, and the anti -friction and impact of feet in the shoes are good.

2. Can fill the space between the feet and the shoe.

3. Passage socks make the muscles in the legs tighten and make more concentrated strength.

4, long socks can hold the leg protection board, and it must be made into a long cylinder.

5. socks can prevent calf scratching.

How to wear football socks

The only role of football socks is to wrap the leg protection board inside. It is stipulated that the socks must be fully covered with the calf. Only in this way can the leg guard panel not shift when Running (although there are loose and fixed leg guards).As for whether the above or not, it depends on the preferences of each person.

precautions for use and purchase of football socks

1. Professional player version socks are generally Laika cotton. The disadvantage is that the price is too high; in general, the socks at the bottom of the towel are the highest.For football socks, there is no real cotton socks. Generally, the cotton yarn content of ball socks is between 60%and 85%. The socks need a certain elasticity. This must be added to a certain elastic fiber during the weaving process (generallyIt is spandex), such as Lycra (actually a spandex of DuPont) is the best material for Skin sticking. Generally, no socks are all in Lycra.In order to play a reinforcement and elastic effect, the socks and Luokou often use artificial fibers. The two add up to about 15-40%.

2. The thickness of the socks does not necessarily connect with the foaming. It is easier to slide in two layers of socks.

3. It is best not to use the washing machine to clean the socks. It will make the socks lose elasticity, and do not soak for more than 20 minutes.

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Is the effect of swimming weight loss?

The weight loss effect of swimming is comparable to the fat reduction effect Running on the Treadmill, and if you choose the right swimming posture and strength, swimming can lose weight than Running.Take 10 minutes as an example, breaststroke can burn 60 calories, backstroke can burn 80 calories, free swimming can consume 100 calories, and the butterfly stream can burn 150 kcal calories.

What equipment is needed for swimming

1 Swimsuit

Men generally wear swimming shorts, and there are also a few people naked swimming; women generally wear swimwear and Swimsuit trunks. It is necessary to fit too big. When swimming, simply wander water, resulting in increased body load and resistance.I feel comfortable to wear on the body to the quality. middle -aged and elderly people should choose pure hair or cotton finished products, and use dark colors as young people to choose beach -style nylon swimwear trunks.

2 swimmer

You should wear a swimming cap during swimming, especially women, which can prevent the hair from being scattered. Sometimes the water quality is not good can also prevent the hair from becoming yellow swimming cap.

How to swim to lose weight

1. Use kick board

Water toys such as kick board, paddle, foot, and life rings not only help to burn more calories, but also exercise limbs muscles.

2. Quick short distance tour

Many people are slow when swimming. This consumption is not as good as fast -distance traveling, but the fast travel should not penetrate through, otherwise the physical consumption is too fast.You can take a slow tour for a speedy tour, two slow travels and two sections of fast travel.

3. Practice in time period

Like professional swimming players training, the swimming is divided into four festivals, and the break between the festival is 15-30 seconds.The specific arrangement is to travel 1 back and forth first, then two back and forth, and then two back and forth. Finally, one back and forth, and you need to travel at the end of each section.

4. Go all out when swimming

Keep the heart rate of about 80%at the maximum heart rate. In order to ensure this standard, every time you swim for a period of time, how many times do you jump in 6 seconds in 6 seconds, and add a "0" to 1 minute of heart rate.

The correct way to swimming to lose weight

1. Free swimming

When practicing free swimming, the biceps and triceps of the upper arm must be more force, so the free swimming can make the lines of the arm evenly and beautiful. The eyebrows with "butterfly arm" can use this swimming posture to shape the arm lines.In addition, the lady who wants to repair long legs, free swimming can modify the lines of the legs and make the legs look uniform and beautiful.

2. Butterfly

During the butterfly, the arms are padded inward, similar to the chest expansion exercise, so you can exercise the pectoralis and latissimus dorsi.At the same time, the butterfly strokes use the waist to affect the body. Long -term swimming can help eliminate the waist's fat and shape the beautiful lines of the waist.

3, breaststroke

The breaststroke is mainly a kicking movement. Unlike the free swimming and backstroke that moves forward, the thighs should be fully expanded and contracted during breaststroke. This kind of action is more used to use the thigh stocks, so it can strengthen the strength of the legs. Therefore, it can strengthen the strength of the legs.It is conducive to the elimination of fat on the inside of the thigh.If you strengthen training every day and you swim in summer, you will find that your thighs are no longer loose and become stronger.However, it should be noted that this kind of strong legs are different from many beautiful eyebrows, so some people will find that swimming breasts will become thicker, which is the truth.

4, backstroke

During the backstroke, the latissimusius is more forceful to stretch the muscles on the back.For the white -collar workers in the sedentary office, backstroke is conducive to relieve discomfort such as back pain.In addition, it is necessary to turn the body like rolling logs to both sides when swimming. This can reduce the resistance and give full play to the strength of the trunk muscle group.In addition, the elasticity of the legs and waist can be trained.Special reminders that the backstroke can also keep the chest strong and not easy to sag.

The reasons for poor swimming weight loss effect

1. Insufficient exercise

Some people have poor weight loss after swimming, which may be because of insufficient exercise.At the beginning of the swimming, in the anaerobic exercise stage.Energy consumption mainly depends on the anaerobic dismissal of sugar. At this stage, the exercise at this stage is fierce. People breathe short, and the oxygen supply is insufficient. It will not use fat at all.Continue to exercise again, the human body starts to enter the aerobic stage.In the subsequent hour, under the mode of medium intensity, energy supply provides energy from the aerobic metabolism of sugar.If you want to lose weight, each swimming time should be more than 40 minutes before starting to consume fat.

2. The diet after swimming is not expected

In order to adapt to the improvement of the level of exercise at the next stage, the human body must consume more energy than before, which is a self -protection of the human body than before.Therefore, after swimming, people often feel that they eat well and sleep well, and the calories they consume are even more consumed.Obesity people are often more hungry than before, and have more ingestion energy.If you don't pay attention to diet, especially after exercise for a period of time, it is most likely to make weight more than the original level.

precautions for swimming weight loss

1. Do physical examination

When swimming, people consume more physical strength than usual. If you have a disease, you are not suitable for strong exercise, you need to pay more attention.It is recommended to do a good physical examination before swimming.If you have heart disease, lung disease, and kidney disease, do not participate in swimming.In addition, do not swim with red eye diseases and Skin diseases, because these diseases may be transmitted to others through polluting water.

2. Do a good warm -up exercise

Before entering the water, proper preparation exercise is good for the body, because people do not prepare for exercise, people are prone to muscle tension.In order to avoid muscle injury or accident, it is necessary to do leg lifting and squat.

3. Pay attention to safety

When diving, you must touch the depth of the water and underwater to prevent accidents such as bumps. At the same time, avoid the strong blow from the abdomen directly.In addition, the ears must be protected, because the ears are severely hit by water, and the tympanic membrane is easy to break.

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Detailed explanation of the parameters of the bilateral Telescope purchase method is to answer what kind of good binocular Telescope

We often hear friends who come to buy a Telescope and ask, "How far can your Telescope look at?", "Can your Telescope be more doubled?", "How can your Telescope be put in the sky?" ...This problem reflects the public's lack of Telescope and astronomical knowledge.

The so -called "see how far" and "how big" are not scientific nor meaningful, and the quality of the Telescope is by no means this way.

In fact, "how far to see" depends entirely on the brightness of the observed target. As long as the goal is bright enough, we can see infinite distance without a Telescope. For example, we can see about 6,000 stars that we can see with the naked eye.In the end of infinitely; and "how big" is the problem that the basic knowledge of astronomy will be raised, this is because we see "the stars in the sky" or more are stars, and the stars are so far away from us, soEven if they are observed with the largest Telescope on the earth, they are still just geometric highlights (the smaller the highlights, the higher the quality of the optical imaging of the Telescope; on the contrary, if you see the stars in the Telescope, the stars have vision noodles or even the color, then there are colors, then there are colors, then there are colors, then there are colors, then there are colors, then there are colors, then there are colors.It can be determined that its optical system is seriously ill). Only the celestial bodies in the Solar system (such as the Solar, planets, satellites, comets, etc.) or the celestial body (such as Nebula, Galaxy, Star Group, etc.) outside the Solar system can use the Telescope.

So is the "magnifying multiple" the performance indicators that must first consider when buying a Telescope?Definitely not!Not only does it not be ranked first, but if it is too large, it will cause the image quality to worsen seriously.

Betal (Yisuke is 8 times to 10 times)

The Telescope is marked with the words of 10 x 42, 8 x 30.Look at a 10 -fold Telescope to see a bird standing in 100 meters, as close to 10 meters with the naked eye.Due to the large rate of multiple, the smaller the perspective, the more difficult to search for the goal, and it is more likely to affect the clarity due to the trembling of the hands.When the light is very sufficient, it is clearly 10 times compared to 8 times; when the light is insufficient, 8 times can see the details than 10 times, so you should not blindly pursue a high mortar rate.

Activation (Yisuke 30mm to 42mm)

The larger the diameter, the better the diameter of the objective mirror affects the amount of light.Especially in the case of strong comparison of light and darkness, morning and dusk, and cloudy, the larger the diameter, the higher the light inlet, the more details can be seen in the eyes; but at the same time, the heavier the Telescope, and the long -term watching is more difficult to cause fatigue.It is advisable to choose a larger caliber according to your personal body.

Vision (the bigger and better)

The field of vision refers to the range that can be seen at 1000 meters. The width of the field of vision should be higher than 104 meters, which is 6 degrees.The greater the vision, the faster and easier to search for the goal.However, when the field of vision is larger, the more serious the edge is distorted and blurred. The more complicated the correction of the aberration, the higher the required technology and cost.

color guarantee (the better the more natural, the better)

High -quality Telescope must faithfully reflect the primary color and saturation of the scenery.In order to increase the brightness of the Telescope, some manufacturers deliberately increase or decrease a certain optical waves, causing distortion to make the scene blue or reddish.

The relationship between light transmission and coating is inseparable and directly affects color conservation.All optical glass high light transmission and full surface multi -layer coating, the brightness is relatively high, and the color is accurate.Generally, manufacturers will not announce all data (it is difficult to do), and some manufacturers will announce the light transmission or coating of local optical glass to mislead consumers.

Use performance

Depth of field

For the bird watching people, the depth of field is a more contradictory parameter. The depth of the field does not need to be frequent, it is more convenient to use, but for observing the forest birds, the prospects and backgrounds are not easy to blur.protrude.The depths of the field are small. Although the forest and birds are obvious and the background blur is obvious, and the theme of the birds is prominent, when the distance changes, it is necessary to re -focus. The fingers must always be on the coking wheel, which is more tired.This depends on personal preferences, there is no fixed standard.

Sealing

Wangyuan is often carried out outdoors. Observation environment is changing. It is best to choose a Telescope with water -proof water (water pressure and waterproof), so that the interior of the mirror can be kept sealed and stable.

Comfortable

Comfort varies from person to person.Generally speaking, the Telescope of the surface of the surface not only has good shockproof effects, but also more comfortable to hold; the weight of the mirror body determines whether it is convenient to use and carry for a long time; usually, everyone will choose a Telescope with high durability.

[Features of Outdoor clothing] What are the characteristics of Outdoor clothing for Outdoor clothing?

What is Outdoor clothing

The Outdoor environment is complicated and changing. In order to resist the harm of the human body, protect the body's heat from being lost, and the sweat produced during rapid discharge of exercise. When climbing, climbing and other outdoor sports, it should be layered.

The so -called Outdoor layered dress refers to wearing different materials in outdoor sports to adapt to the impact of various weather changes in the wild on the human body, such as pants, fleece jackets, warm clothes, sunscreen pants, andSpeed dry pants and so on.

What are the characteristics of Outdoor clothing

Warmth

Although warmth is closely related to the thickness of the fabric, outdoor sports are not allowed to be too heavy, so it is necessary to keep warm and lightweight in order to meet the special requirements of Outdoor sportswear.The most common method is to add special ceramic powders such as chromium oxide, magnesium oxide, and oxide to the synthetic fibrous spinning fluid such as polyester, especially nano -grade micro ceramic powder.Thermal energy can also reflect the far -infrared rays emitted by the human body, so it has excellent thermal insulation and heat storage performance.

Wetness

waterproof and humid clothing uses the surface tension of the water, and paint a layer on the fabricPTFE(PolytetrafluoroethylenePTFEThe chemical coating of enhanced the surface tension of fabrics with the same chemical composition and different physical structures, so that the water droplets should be tightened as much as possible without scattering and infiltrating the surface of the fabric, so that the pores on the fabric are unable to.At the same time, this coating is porous, and the water vapor in the single molecular state can be smoothly distributed to the surface of the fabric through the capacity of the capillary between the fiber.

After a large amount of exercise, if you stop in the wild to rest, it is possible to form a water droplet in the inner layer of the clothes because the outside temperature and sweat cannot be scattered in the inner layer of the clothes.

"Knot" phenomenon.There is a special humidity collation process called "low -knitting dew".PU) The fabric is coated with hydrophilic nano ceramic powder. When the body is evaporated with a large amount of sweat, it can absorb too much sweat vapor, thereby avoiding the phenomenon of water vapor inside the clothes surpassed the saturated steam and transformed into water droplets.

In addition to finding a way from fiber and coating, you can also try to absorb and sweat as much as possible in the fabric structure.For example, a double -layer tissue structure is adopted, the inner layer of the close layer is hydrophobic fiber, and hydrophilic fibers are used in the outer layer, so that sweat can rely on the capillary to move from the Skin to the inner fiber, and then due to the hydrophilicity of the outer layerThe combination of fiber and water molecules is stronger than the inner hydrophobic fiber, and the water molecules are transferred from the inner layer of the fabric to the outer layer, and finally distributed to the atmosphere.

waterproof

The primary function provided by Outdoor clothing is waterproof. Most traditional fabric waterproofing is coating or film. Later, waterproof treatment with fluoride or organic silicon is used.The effect of waterproofing can be represented by anti -water permeability and surface moisture.

GB/T4744-1997"Textile fabric anti -seepage measurement static water pressure test" is used to indicate the resistance encountered by the fabric through the static water pressure suffered by the fabric, that is, under the standard atmospheric conditions, the sample on the side of the sample is affected by a continuous rising water pressure.Until three water seepage, record the pressure at this time, so thatKPAorCMH2OTo indicate that the larger the value, the better the waterproof performance.

Breathable

A good Outdoor clothing must not only prevent rainproof but also breathable.Its breathable performance is determined by the microporous structure of the film, allowing gas molecules to escape, preventing liquid water molecules from entering.The breathability is the ability of air through fabrics.Under the specified test area, pressure drop and time, air flow vertical is represented by the rate of samples.Unitmm/sorm/sEssenceThe larger the value, the better its breathable performance.GB/T5453-1997The test area recommended in "Textile Facilities" is20cm2, Can also choose5cm2As well as50cm2or100cm2; Taking fabric pressure drop100Pa, Industrial fabric200PaIf the above pressure drop is not reached or not applicable, it can be selected after negotiation in various aspects50Paor200PaEssence

Stem

The hygroscopic and dryness is to quickly absorb the sweat produced by the body, try to discharge the outer layer and volatilize as soon as possible, so that the body should be kept as dry as possible.GB/T21655.1-2008"Textiles of Textiles and Smooth Drying Evaluation No.1Part: Single combination test method "uses the water absorption rate, dripping time, and core suction height of the fabric to the water -absorbing ability of the fabric to the water sweat;Speed in sweat.This standard has made specific technical requirements for knitting and knitting products for hygroscopic and drying productsGB/T21655.2-2008"Textiles of Textiles and Smooth Drying Evaluation No.2Part: The test method stipulated in the Dynamic Water Transmission Method is: Place the fabric samples horizontally. After the liquid water is in contact with its water surface, the liquid water will spread along the water surface of the fabric, and the water surface of the fabric will be transmitted to the penetration surface. At the same timeThe infiltration surface of the fabric is diffused, and the process of moisture content is a function of time.After the sample dipping surface is dripped into the test solution, the sensor that is closely in contact with the sample is used to determine the dynamic transmission of the liquid water water, and calculate a series of performance indicators to evaluate the performance of water absorption and sweating for textiles.

Anti -static

Outdoor clothing is basically made of chemical fiber fabrics. When the Outdoor environment is relatively dry, static electricity problems will occur. It shows that clothes are prone to hairs and dirt, close to the Skin to produce electrostatic adsorption.If you carry an electronic compass, altitude table,GPSSeveral electronic instruments such as navigators may also be interfered by the electrostatic of clothing and cause errors, causing serious consequences.

Comparing existing national standards and industry standards, the indicators of each method evaluation are different, and the results obtained by using different test methods are not comparable.The electricity of Outdoor clothing that can be used with good charging density method is a method for testing Outdoor clothing anti -static performance during actual wear.

UV prevention

The evaluation parameters of the textile anti -ultraviolet radiation use the ultraviolet protection factorUPFValue, it indicates that the average effect of ultraviolet radiation calculated when the Skin is not protected and the ratio of the average effect of ultraviolet radiation calculated when the Skin is protected by fabrics.GB/T18830-2009"Evaluation of Textiles Anti -UV performance" stipulates the test methods, assessment, and logo of the level of anti -sunlight ultraviolet performance of textiles.UVRadio radiation sample, collect the total spectral transmission rays, and determine the total spectral transmission ratioT(), and calculate the ultraviolet protection coefficient of the sampleupfvalue.You can use a parallel beam to illuminate the test sample, and collect all transmission light with a integral ball; you can also use a light hemisphere to illuminate the sample to collect parallel transmission light.In actual operation, the detection instrument can automatically calculate the sampleUPFValue andT().SampleUPFValue greater than50When it comes to "upf & gt; 50". According to this standard, as samplesupf & gt; 40,andT(UVA.av & lt; 5%At the same time, it can be called "anti -ultraviolet product".

[Polysmanship female] women's fleece jacket style women's fleece jacket with appreciation

1. women's red fleece hooded sweater grasping pants gray snow boots

2. Yellow cartoon fleece sweater black umbrella skirt Black leggings high boots

3. Green chopper, red fleece pants coffee color Climbing shoes

4. Both sides grab the black jeans black jeans and one pedal lazy shoes

5. Purple striped velvet jacket black printed pants running shoes

6, coffee color grabs gray gray jeans brown high Tube mountaineering shoes