Creatine Essay

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Cody Laskaris Mr. Brathol Athletic Training 5-13-12 Creatine Creatine has become a popular nutritional supplement among athletes. “Creatine is a compound that's involved in the production of energy in the body, in the form of adenosine triphosphate. Made in the liver, approximately 95% of the body's creatine ends up being stored in skeletal muscles and the remaining 5% is found in the brain, heart, and testes. Once it's used, creatine is converted to a waste product called creatinine and excreted in urine” (Creatine). It was first discovered in 1835, when a French scientist named Chevreul discovered a component of skeletal muscle that he later named creatine- after the Greek word for flesh. Supplements are commonly sold as powders; liquids, tablets, capsules, energy bars, fruit-flavored chews, and drink mixes are also available. Like any other supplement, creatine has positive and negative results. According to Jose Antonio, creatine serves as a fuel source for rapid exercise through increased phosocreatine (PCr) stores. It is a natural substance said to build muscle mass and boost muscle strength. Creatine is available in meat and fish and is also produced naturally in the human body and found primarily in skeletal muscle. The key to understanding creatine supplementation is to know that it only helps with certain activities. A basic review of what creatine is, and how it is used in the body will help you understand how supplementation might be beneficial. First off, muscle cells generate mechanical work from an energy liberating chemical reaction -- ATP is split into ADP and P (phosphate). ATP can be used by muscle cells very quickly, but there is only an extremely limited supply -- usually only enough for a few seconds of high intensity work. When the ATP is gone, work stops (Jenkins). The positive results from Mayo Clinic have shown an

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