วันศุกร์ที่ 15 ตุลาคม พ.ศ. 2553

วันพุธที่ 13 ตุลาคม พ.ศ. 2553

Rafael Nadal practicing - BNP Paribas Open 2010 - Saturday, March 20

www.youtube.com/BNPParibasOpen - Rafael Nadal practicing on Saturday, March 20 at the BNP Paribas Open 2010 in Indian Wells, California.



http://www.youtube.com/watch?v=ufrMXGymIJ0&hl=en

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วันอังคารที่ 12 ตุลาคม พ.ศ. 2553

Training For a Mountain Bike Race

Mountain biking belongs to the category of sports that fills your need for adrenaline rush and excitement. From the moment you get on your mountain bikes until the time you rush downhill or cross country, you feel strong and free and you momentarily forget life's worries. You throw all caution to the wind, vulnerable yet unaffected by the elements that may come your path.

But of course you can't just get in there and engage in bicycle racing without at least considering the basics of this sport.

It all starts with sorting through an array of mountain bicycles for sale and choosing what's right for you. There are several classifications of mountain bikes with the differences between them centering on the setting where you'll use them. Cross Country Mountain Bikes are mainly suited for trails. Downhill Mountain Bikes are designed for downward riding. These bikes are more appropriate to use on elevations such as valleys or mountain sides where you partly use gravity to propel you.

Upon choosing the right mountain bicycle that would help you easily navigate your target terrains, you start off with addressing the fitness factor. You can't just jump in there and do difficult stunts without making sure your body is at par with the challenge. You need to be familiar with the three systems that our body uses in physical activity.

The first is the adenosine triphosphate or ATP system that gives our body the necessary boost to do a certain activity. In just a few seconds, we gradually lose this energy and it must be replenished in order for you to keep going. These exercises require major effort and so you must do them far and between.

The Anaerobic system doesn't require much effort and lasts a little longer than ATP. The goal of this training is to increase your body's lactic acid so that you can perform longer at the same time maintaining a high intensity.

The Aerobic system is a staple in cross country biking. It allows longer function than the first two energy systems and is thus more sustainable. Because it is much needed in bicycle racing, you need to invest a certain amount of time in Aerobic training.

This gives you an idea of the different systems that your body uses for physical activities. If you want to race you need to exercise these systems to enhance your fitness level. So not only do you need to make sure that your new or used bicycles are in order but you need to make sure your body can perform for the event.

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วันจันทร์ที่ 11 ตุลาคม พ.ศ. 2553

Are You Getting Enough Vitamin B1?

We hear a lot about vitamins A, C and E but not a lot is said about some of the other important vitamins such as vitamin B1 or Thiamin. This vitamin is an important part of the family of the B-complex vitamins and plays a vital role helping the body breakdown proteins fats and carbohydrates.

Vitamin B1 helps to keep the cardiovascular and nervous systems working properly as well as insure proper muscular function. In fact, vitamin B1 is so important that the bodies main source of fuel (adenosine triphosphate or ATP), would dry up if it were not for this vitamin. The heart in particular uses this fuel to pump blood as well as supply the blood cells with oxygen.

It is thought that vitamin B1 may benefit those with congestive heart failure and it is also said to help with the tingling and numbness found with nerve damage. In addition, it is said to be a mood booster and can you feel more alert and energetic.

Vitamin B1 is a water soluble vitamin meaning that whatever the body does not use is excreted in the urine. This means that you can really overdose on B1 as it is not stored in the body. It also means that if it is not replenished on a regular basis you may become deficient in.

Are You Getting Enough Vitamin B1?

How much vitamin B1 do you need? Well, that's not easy to say as a determination has not been officially made yet. Most experts, however, say that 1.5 mg a day is a good amount for both adult men and adult women.

Sources of vitamin D include wheat germ, whole grain cereals, pork, peace, oysters, whole wheat and rye flour, oranges, raisins, fish and beans such as navy, kidney and garbanzo. Some of the best sources include beef liver, brew is used and kidney.

These days, vitamin B1 deficiency is pretty rare, but you may be at risk the older you get sense levels of this vitamin decline as you age. If you consume a lot of alcohol you also may be at risk.

Symptoms of a vitamin B1 deficiency are also symptoms of many other diseases and if you have any of these you should see your doctor right away. These include nerve and muscle problems, mental confusion and rapid heartbeat.

Vitamin B1 plays an important role in the transmission of signals between the spinal cord and brain and insufficient amounts of this vitamin could lead to tingling nerves, tiredness, depression, nausea, headaches and loss of appetite.

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วันเสาร์ที่ 9 ตุลาคม พ.ศ. 2553

The 3 Energy Systems pt. 1

Aerobic and Anaerobic Energy: ATP-CP System, Lactic Acid System, Oxygen System Supply the body with energy through resynthesis, each with their own advantages.



http://www.youtube.com/watch?v=SNELgJYboWU&hl=en

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วันศุกร์ที่ 8 ตุลาคม พ.ศ. 2553

The Mystery Of Human Memory

Memory is an integral part of human life. This can be defined as one's potential to store, retain and consistently retrieve information. For years, experts in the field of medical science have been studying and researching to find ways to enhance memory.

A lot has gone into the study of how human memory works. Experts feel that the more you learn about your memory, the better understanding you can develop in order to improve it.

There are several things we don't forget in our lives such as our crucial school days, summer holidays, some of the tales by granny, the scent of earth when it rains, first love and a lot more. These are the memories that make our life happier.

There are also certain bad memories associated to our lives and we tend to store them in our brain for a long long time. These memories are some of the experiences that allow you to be a different person.

In modern times, experts believe that memory is complex. The memory of anything in your life or day to day activities can be referred to as a 'complex constructive power'. Everyone possesses one. These are certain impressions coming from a pattern of cells that's similar to a web. These cells are scattered throughout the brain.

Experts believe that the memory is made up of a group of several systems. Each system plays a different role when it comes to creating, storing as well as recalling memories. As soon as the brain starts processing information, all the systems mentioned above start functioning together in a perfect manner in order to provide a combined thought.

What we actually visualize as a single memory is a complex engineering. Whenever you think of an object; for instance a toy, all your brain does is to retrieve the name of the object, its' function, shape and sound each time it plays or you take it in your hands. Every section of your memory describing at a toy is, derives from a totally different area of the brain. The whole image of toy is created by the brain from several regions of the brain.

Whenever you ride a bike or drive a car, a particular set of brain cells brings out the memory of operating the vehicle from starting till the end. When there are several things involved such as remembering how to ride a bike, the nervousness as a heavy vehicle passes by etc. comes from all parts of the brain. Experts have come to a conclusion that there is no solid distinction between the way you remember and the way you think.

Of course, the experts have come to a conclusion of how a system actually works. However, it is still not clear about how one remembers or what generally happens when one recalls.

The good news is that there are several things you can do to enhance your memory. There are several exercises, programs and techniques you can follow such as playing riddles, puzzles and several other activities that challenges your brain.

Human memory is a mystery but enhancing one is not!

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