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Performance enhancing drugs within sports
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Creatine is one of the most beneficial substances that aid and help athletes improve performance. Creatine was first discovered back in 1832 when researcher Michel Eugene Chevreul “isolated it from the basified water-extract of skeletal muscle. He later named the crystallized precipitate after the Greek word for meat, κρέας (kreas)” (Creatine Wikipedia). Even though creatine was discovered back then, it was dropped and then picked back up in 1912, when Otto Folin and Willy Glover Denis from Harvard University discovered that creatine supplementation significantly enhances the amount of creatine in our skeletal muscles. Although, creatine has been known for the way it helps us for many years now, it was not commonly known till after the Barcelona …show more content…
In fact, here have been so many studies on it that researchers say “Creatine is in fact one of the most well-researched nutritional supplements on the market” (Creatine 101). Over the last couple of years, Creatine Monohydrate (a form of creatine supplements) has grown to be the top leader that athletes use to enhance their performance. Creatine is commonly taken as a supplement and that's how many people know creatine. However, not many know that our bodies actually create its own creatine within the body. Creatine is found throughout the human body in our muscle cells. It is chemically known as a “...non-protein nitrogen; a compound which contains nitrogen but is not protein pese” (Creatine 101). Our bodies create one to two grams of creatine naturally through our liver, pancreas, and our kidneys from amino acids per day. In addition, we can also find creatine in the many of the meats we eat such as Salmon 225g/8oz 1.5-2.5 g of creatine, beef 225g/8oz 1.5-2.5g of creatine, pork 225g/8oz 1.5-2.5g of creatine, herring 225g/8oz 2-4g of creatine. Many kinds of seafood are also very high in creatine. After receiving the creatine, it is then transferred into creatine phosphate (which is also called phosphocreatine) where it remains in our muscles waiting to be used for energy. Phosphocreatine is typically used as a source of ATP (Adenosine triphosphate). Adenosine triphosphate is the way to store and use energy biochemically in our bodies. To repeat, this means that ATP is the origin of energy in which keeps everything moving in the body. Typically this can be found when doing high-intensity exercise. In our skeletal muscles, you can 95% of our bodies creatine in this kind of creatine phosphate, and its most important objective is to supply an artificial phosphate to produce ATP during intense workouts. A couple prime examples would be sprinting and high-intensity weightlifting. As the studies
Over a three week period a test subject was instructed to come to the exercise physiology lab once a week. The purpose of the first week was to determine the baseline test data for the participant. During this first week, the subject was asked how many hours of sleep they had gotten the night before and how much they weighed. The subject was then instructed to put on a heart monitor and wear an O2 apparatus and begin running on a treadmill. This treadmill was set at zero incline for the beginning of the run until three minutes had passed. At the three minute mark the incline increased by 2.5%. After this the incline was continuously increased by 2.5% every two minutes. During this process, the VO2 and RER exchange rate of the subject was being tracked through the O2 apparatus. Their heart rate was recorded every 15 seconds. In addition, the subject was asked their perceived exertion at every increase in incline. The subject continued to run until they could not run anymore, at this time they would hop off the treadmill.
Creatine is one of the most popular sports supplements on the market and is used by bodybuilders, and athletes. It is an amino acid, like the building blocks that makes up proteins. It is also an important store of energy in muscle cells. Creatine is a natural nutrient found in our bodies and in the bodies of most animals. It can also be found in the form of a powder and sold as a supplement. Creatine is categorized as a food supplement by the Food and Drug Administration, like a vitamin and is available over the counter at drug stores and nutrition centers. Approximately 95% of the body’s creatine supply is found in the skeletal muscles. The remaining 5% of creatine is scattered throughout the rest of the body, with the highest concentration in the heart, brain, and testes. The human body gets most of the creatine it needs from food or dietary supplements.
3. Effects of resistance training and Chromioum Picolinate on body composition and skelatal muscle in older men by, Campbell WW., Joseph LJ., Davey SL., Cyr-Campbell D., Anderson RA., and Evans WJ.. JOURNAL OF APPLIED PHYSIOLOGY. 86(1): 29-39,1999 January.
Creatine is made in small amounts by the body, and aids a substance called adenosine triphosphate (ATP), which controls all types of muscle contractions, from bench pressing 400 pounds to blinking an eye. To contract a muscle, the ATP molecule releases one of the three phosphate groups. Creatine comes into play by attaching to the free-floating phosphate and reforming into ATP. Thus, energy is provided until the creatine in the muscle is depleted. Thus, the effect of a creatine supplement is to provide the muscles with more creatine than the body can produce on its own and thus increase energy.
Controversy has surrounded creatine every since it has hit the shelves. Creatine is already produced by our bodies in the liver and kidneys. However, a frequently asked question is: why do we need to take more? The purpose of creatine is to add water weight. When taking the supplement it takes away the water absorbed by our muscles which makes us have to drink even more water. However, when an individual is taking creatine it has to be regulated properly. If too much of the supplement is taken more harm can be done than good. According to Stuart Young, an individual needs to drink a bare minimum of a gallon of water per day to avoid adding harm to our bodies. Young also mentions how too much
Creatine is produced by the body and stored in all kinds of muscles such as the heart, diaphragm, and all visible muscles. Creatine’s role is to
When you need to boost your sports performance, there are a variety of pre workout supplements that you will find on the market. The right supplements will help you to achieve the highest levels of your performance. If you are an athlete, it is important for you to fortify your body with the most beneficial supplements that are made with high quality ingredients. What are other advantages of taking pre workout supplements? When you take a pre workout supplement at the right dosage, it will help you to have more energy, it increases your focus and it also helps to give you more power during your workouts.
Creatine is an effective, powerhouse nutrient that is derived from the amino acids glycine, L-arginine, and L-methionine. Creatine is beneficial for athletes as it helps improve strength, muscle mass, body composition, and boosts athletic performance. Research has shown improvements in endurance, power, and performance; this is all due to the creatine increasing phosphocreatine (PCr) within the muscle, which allows for quicker regeneration of the body’s energy.
The human body gets most of the creatine it needs from food or dietary supplements. Creatine is easily absorbed from the intestinal tract into the bloodstream. Rich dietary sources of creatine include red muscle meats (beef) as well as fish. Creatine, however, is sensitive to heat and cooking, and the full amounts available in these food sources may be reduced during normal preparation. When dietary consumption is inadequate to meet the body's needs, a limited supply can be synthesized from the amino acids arginine, glycine and methionine. This creatine production occurs in the liver, pancreas and kidneys.
In order to understand how creatine works, we must discover what creatine is. Creatine is an energy producing nutrient found in our bodies. It is synthesized from three amino acids arginine, glycine and methionine. These amino acids are primarily found in the liver, pancreas, and kidneys. It is also consumed in our everyday diets from fish, meat and other animal products. Creatine is not considered an essential nutrient in our diets.
Creatine supplements are used by athletes, bodybuilders, wrestlers and others who wish to gain muscle mass. The average athlete typically consumes 2 to 3 times the amount that could be obtained from a high-protein diet. Creatine helps to supply energy to all cells in the body, primarily muscle. (wiki) Creatine is naturally produced in the human body from amino acids primarily in the kidney and liver. It is transported in the blood for use by muscles. Approximately 95% of the human body's total creatine is located in skeletal muscle(%). In humans and animals, approximately half of stored creatine originates from food.
Shortly thereafter, the rest of the sports world did not allow anabolic steroids as well. With the use of steroids no longer permitted, athletes began to look for other alternatives. On the rise are two substances called creatine and androstenedione, both of which are sold over the counter. These two performance enhancers have only had minimal testing done on them, excluding the long-term effects, simply because they haven't been around long enough. Creatine and androstenedione have been said to produce results like steroids without the side effects.
Creatine supplementation is now being linked to several hazardous side effects in the body, and even its effectiveness has come into question. The use of creatine supplements by athletes is a dangerous way to enhance performance and should be regulated or banned. Creatine is a nitrogenous compound that is found naturally in meats and is synthesized by the body and stored in the muscles where it can be used for rapid energy during anaerobic exercise (exercise which does not need oxygen in order to supply energy) (Lowengrub 16).... ... middle of paper ...
You've probably heard about how influential protein is to gaining muscle, but it also gives you
When most people hear the term ‘bodybuilding’ they think of massive, inhuman looking individuals, mostly males, who spend every waking minute in the gym lifting weights and injecting steroids. But that is not entirely true. Bodybuilding is much more complex than that, especially when it comes to nutrition. Bodybuilding is a lifestyle. There are many different factors that come in to play for professional bodybuilders, as well as the regular person who is looking to put on muscle mass or whatever their fitness goals might be. Some of those factors include nutrition, training, recovery, supplementation, as well as the controversial topic of drugs in the bodybuilding scene. Bodybuilding also has a unique history that should be addressed before diving into the topics of bodybuilding.