วันอังคารที่ 9 พฤศจิกายน พ.ศ. 2553

Creatine for Enhanced Performance

Creatine is a naturally generated amino acid in the body. The liver and kidneys produce it in small amounts. But it's also found in a meat-eaters' diet because creatine is found in many meats, especially game meats, tuna, and herring. Because of these natural occurring levels, studies are now debunking the earlier theories that supplementing with creatine could be toxic on the liver.

It's now quite common for athletes of any sport to be supplementing with creatine because it aids in energy production. Specifically, creatine aids in the production of Adenosine Triphosphate (ATP) which is the main anaerobic energy source our muscles use for short, powerful blasts of energy. It's the energy we need to punch harder, sprint faster to the puck, or jump higher to the hoop. Bodybuilders and powerlifters have been using it to pack on muscle. But the reality is, creatine will benefit any type of training your doing.

ATP energy is used up in 30 seconds so it's vital that the body be able to reproduce this energy source quickly for its next use. Creatine aids in the production and transfer of the phosphate needed to replenish ATP. So whether you're struggling to power through those last few reps, or you want to improve your vertical jump, supplementing with creatine is a good way to bust through your plateaus.

Most research suggests the best way is to go through a loading phase where you're ingesting 5mg of creatine three times a day for five days. Then, you'll begin taking just one 5mg dose per day. Mix it with juice because the simple sugars in juice aid its digestion. The final step is to stay focused in your training. Creatine will allow you to intensify your workouts so that you can push through the boundaries of your personal bests.

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วันจันทร์ที่ 8 พฤศจิกายน พ.ศ. 2553

Toronto 2010 Tuesday Highlights Day

Watch highlights from Tuesday's day session at the Rogers Cup, including a first-round meeting between David Nalbandian against David Ferrer.



http://www.youtube.com/watch?v=kMl0Qd-JgQI&hl=en

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วันอาทิตย์ที่ 7 พฤศจิกายน พ.ศ. 2553

How Much Energy Does a Wind Turbine Make?

I was wondering the same thing before as well when I was considering the use of windmills for generating electricity to run my house. Ever since I built my own homemade wind turbine, I have been able to reduce my power bills by more than 75% now and I am very glad that I made the decision to build this wind mill system.

1. How Much Energy Does a Wind Turbine Make?

Wind turbines can produce different amounts of energy depending on their sizes. Hybrid wind systems that are typically used in off grid places usually generate less than 100 kilowatts. These wind turbines are commonly used in areas where it is impossible to connect to the utility company. These turbines can be used for water pumping, telecom dishes, storing power in batteries etc.

2. How Do You Build your Own Wind Turbine at Home?

I managed to do this by downloading a DIY guide online and watching a set of step by step videos from the same website. This site will provide you with a list of all the parts needed for construction, and where you can get them for cheap or even free.

The main parts that you have to build are the tower, electronic control system, rotating mount of the turbine and a battery system. The propeller can be made with either wood or PVC piping. The guide contains all the instructions and diagrams for you to learn how to assemble the whole windmill system.

3. Will This Wind Turbine System Work for You?

It will work as long as there is some wind around your house. They work best in wind zones of approximately 8 mph or more, but they can also work in areas where the wind speed is lower.

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วันเสาร์ที่ 6 พฤศจิกายน พ.ศ. 2553

วันพฤหัสบดีที่ 4 พฤศจิกายน พ.ศ. 2553

Do You Really Need a Creatine Supplement For Superior Physical Performance?

Creatine is something that you will hear a great deal about in any gym in the world. Bodybuilders found out some time ago that a good creatine supplement had numerous benefits for their bodybuilding endeavors. But in the grand scheme of things, can't you get the body that you desire without the use of this supplement?

Creatine is, after all, usually only thought of as a performance enhancement supplement, meaning that it will enable you to do better during your workouts, but that it has few, if any, benefits beyond this. Research shows that this is a mistaken belief. Other people believe that because they eat plenty of red meat and fish, which has this compound in it naturally, that they don't need a creatine supplement. This is also a mistake.

First, it is true that it is a natural performance enhancer, but it enhances more than just your performance. It also enhances your body's performance, by increasing anaerobic performance when you are working out. This does allow you to workout longer and harder as well.

You see, muscles are comprised of four different biochemicals, which include fatty acids, glucose, ATP, and creatine phosphate. All of these are necessary in the exercise and strengthening of muscles, and all of these biochemicals work together. Unfortunately, there is only so much that these biochemicals can do, and if you want them to do more, you need a supplement, which provides more of those biochemicals in the muscles...particularly creatine.

As with most things, there are those who will tell you why you shouldn't take this supplement. They will claim that creatine causes muscle cramping. Unfortunately for them - and fortunately for you - science has proven that it has nothing to do with muscle cramps. Muscle cramps are caused by a lack of hydration and low electrolytes. Experts agree that you need to drink one glass of water for every serving of creatine that you have.

It is also important to note that your body can waste creatine. You see, the muscles store this compound as 'stored energy' and use it as they are called upon to do more than they could without those stores. But you must think of your muscles as a container. Any container can only hold so much of any substance or item. Containers are not 'bottomless' and neither are your muscles. So, the muscles can only store so much of this compound at any given time. Experts agree that 10 grams of creatine a day is all that is really needed in terms of creatine supplements, because the muscles cannot store more than this.

While creatine improves your muscles response to your workouts, there are certain substances that actually improve upon it as well. Research has shown that creatine taken with Ribose increases the ATP in muscle cells. You can find products that now contain creatine and Ribose, and results of those who take a creatine supplement that contains Ribose have been great.

Caffeine is also great for creatine. As you know, however, too much caffeine isn't good for you. Experts advise one cup of coffee prior to a workout, which contains about 250mg of caffeine. You may need to experiment with caffeine with your creatine supplement, because everyone seems to have different reactions to caffeine.

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วันพุธที่ 3 พฤศจิกายน พ.ศ. 2553

ATP Structure, Formation and Function - The Energy Currency of Cellular Metabolism

The first law of thermodynamics states that energy in our universe is never lost or destroyed but is instead converted from one form to another. This concept can be demonstrated by analysing the way in which we derive energy from our environment and how this energy is converted into a form which can be used to power the cellular processes necessary for life. As animals, we consume this energy first through our diet. Chemical energy stored within glucose in food is released and converted to potential energy through a catabolic pathway known as cellular respiration. This potential energy is then transformed to kinetic energy, ready to be used to power the various chemical, mechanical or locomotive functions required by the cell. This essay will describe the processes which instigate this energy release and how it is put to use in the body. It also aims to explain the idea of 'energy currency' in the cell by outlining the structure and formation of the molecule responsible for providing it: ATP or adenosine triphosphate.

ATP is a nucleoside comprised of a central ribose sugar, a purine adenine base and a chain of three phosphate groups. It is an immediate energy source in the cell and is formed during three stages. The first stage begins by harvesting chemical energy from oxidation of a glucose molecule. This process takes place in the cytoplasm and is known as glycolysis. Since the energy within organic molecules is stored within the individual atoms, it can only be released by breaking the bonds which hold the atoms together. This requires an 'energy spend' of two ATP molecules to assist the breakdown of glucose into intermediate substrates called glyceraldehyde-3-phosphates. Further breakdown enables the coenzyme NAD+ to pick up high-energy electrons and hydrogen ions, forming two NADH molecules.

It also releases energy allowing phosphate group to bond with ADP, forming two molecules of ATP in a process called substrate level phosphorylation. Further breakdown to pyruvate generates an additional two molecules of ATP, giving glycolysis an overall energy 'profit' of two ATP. The next stage of cellular respiration also yields ATP by substrate level phosphorylation. This stage, known as the Citric Acid Cycle, completes the oxidation of glucose and takes place in the mitochondria of the cell. Pyruvate diffuses through the cell membrane and undergoes several chemical reactions to form Acetyl Co-A, producing carbon dioxide as a waste product. NADH and FADH2 also carry electrons during this stage as well. Another two molecules of ATP are produced which can be immediately used by the cell for energy.

The majority of ATP produced by our body is formed by the third and final stage of cellular respiration in a process called oxidative phosphorylation. This is known as the electron transfer stage in which NADH and FADH2 give up the electrons they gained from glycolysis and the Citric Acid Cycle, releasing energy. ATP is then generated by an enzyme called ATP synthase which uses a hydrogen ion gradient to capture the energy released from the high-energy electrons. In this way, oxidative phosphorylation yields 34 molecules of ATP for every molecule of glucose. Thus, all the chemical energy harvested from the original glucose molecule is now as ATP in the form of potential energy, ready to be used for cellular work.

It is the molecular arrangement of ATP which then allows the release of this potential energy. The breakdown of ATP to ADP and consequent regeneration is what affords each cell the currency to survive and carry out the cellular work for a particular function. Since all three phosphate groups are negatively charged, the molecule is unstable and readily gives up it's terminal phosphate group through hydrolysis to form ADP (adenosine diphosphate) and an inorganic phosphate molecule. This reaction is exergonic, releasing approx triangle -13 kcal.mol. A reaction is described as exergonic when it releases energy into its surroundings and occurs spontaneously, giving products that have less potential energy than their reactants. An endergonic reaction requires an input of energy from its surrounding and products have more potential energy than reactants. It is the ability of ATP to couple endergonic and exergonic reactions that makes life able to continue. By giving up a phosphate group in the exergonic transformation of ATP to ADP, this allows other reactants to pick them up and gain energy to allow an endergonic reaction to take place. This process is known as energy coupling in the cell.

The notion of ATP as an energy currency is bourne from the idea that ATP must first be 'spent' (in the form of 2 ATP molecules in the glycolysis stage) in order to gain a 'profit' of 36 ATP molecules per oxidised glucose molecule. Without continuous recycling and management of the energy in our cells by ATP, we wouldn't have the energy to make new blood, move around, rid our bodies of poisons or even reproduce. The significance of ATP was highlighted in 1997 when the Nobel Prize for Chemistry was shared between Boyer, Walker & Skou, when they consolidated the structure of ATP and the role of ATP synthase.

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วันอังคารที่ 2 พฤศจิกายน พ.ศ. 2553

Tridenosen - How Does Tridenosen Help Muscle Building?

Tridenosen H, or just Tridenosen, is a popular new product for weight lifters and bodybuilders. Muscle building gains can be seen as early as three weeks with it. Tridenosen is not an anabolic steroid and does not control hormones like anabolics either. It has the same muscle building effects though as steroids.

Tridenosen is thermogenic which means it is fat burning. It also retains nitrogen so it gives the appearance of fuller muscles due to this property. Tridenosen has a strong effect on protein synthesis. Those that use Tridenosen will notice that it works as well as a steroid, but without the side effects due to androgen.

ATP is the main component of Tridenosen and is a source of cellular energy. With high ATP levels a person can train hard but recover quickly. Tridenosen activates inactive muscle fibers with the high levels of ATP. This leads to the growth of muscle. Protein synthesis is triggered by the increased action of MRNA. This protein synthesis is comparable to anabolic steroids, but without the hormone manipulation which is always a risky thing. You don't want to mess around with your hormones.

The protein synthesis is also due to the levels of ATP in Tridenosen. ATP also provides better endocrine performance. Every cell in the body benefits from the energy provided by ATP. Of prime benefit are the hypothalamus and pituitary glands. These are vital in the sequence of releasing testosterone and growth hormones. The higher levels of ATP also starts increased capillarization. This means there is a marked increase in the number of capillaries in the body to transport blood to the muscles. This in turn helps the muscles grow faster due to increased blood.

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