Polymethylmethacrylate‚ or PMMA for short‚ is a polymer consisting of the monomer methyl methacrylate that has been around since the 1930s1. PMMA is a polymer that has a high impact strength‚ is scratch and shatter resistant‚ and is relatively lightweight1. Because PMMA can also be formed into a transparent thermoplastic and has a glass transitions temperature of 130oC‚ this polymer served as a glass substitute in its early uses1. Other beneficial characteristics of Polymethylmethacrylate include
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Associate Level Material Physical Fitness Worksheet Being physically fit is an important aspect of obtaining optimal health. Becoming knowledgeable about what it means to be physically fit may greatly increase your ability to improve your health and wellness. In this worksheet‚ you identify the five components of health related fitness. Completing this assignment is a step towards gaining the knowledge needed to better manage your physical fitness. Five Components of Health Related Fitness
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starvation and thus will hold onto its body fat tissue for future energy needs. In other words‚ the body does not understand that the dieter is simply trying to lose fat and does not know if and when it will be fed again. This holds true for grapefruit‚ celery and cabbage soup diets amongst others based on low calorie intake. When this happens a person will only be able to lose weight because instead of using carbohydrates and stored body fat tissue for energy as
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times per minute. Your body shape will become more aesthetically pleasing this co-insides with the mental benefits because it can boost self-esteem and confidence. Other benefits include higher BMD because bone is living tissue so when any form of resistance is put onto a bone new tissue will form which ensures a higher BMD. Your flexibility will be improved‚ so the range of movement you have in any single joint due to stretching will be greater. Your VO2 max will also become greater. So the amount of
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A lot of people have heard the terms aerobics and anaerobic‚ but most people don’t know what those terms mean. These two terms refer to the presence and absence of oxygen. Our bodies cells choose to get the energy that they need using oxygen to fuel metabolism. During an aerobic activity the muscle cells can contract repeatedly without fatigue. During anaerobics the muscle cell doesn’t rely on oxygen to fuel the muscle contractions. It relies on its natural body chemicals. Aerobics is a low
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Part l 5. Which substances supply energy to the human body? Nutrients- substances in foods that provide energy and form body tissue necessary for life and growth. -Carbohydrates- sugars‚ starch and fibre -Fats- main form of energy storage in the body -Proteins- amino acids require to build and repair body structures and to regulate processes in the body Part ll 1. Find out how the medical community defines “obesity.” What factors contribute to obesity? Obesity is an abnormal accumulation of body fat
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can occur‚ 1) it is metabolized faster than glucose and 2) since fructose is independent of phosphofructose kinase (PFK) regulation‚ overconsumption of fructose (>40g in a 2000 calorie diet)‚ results in increases of levels of visceral adipose tissue (VAT)‚ and increased hepatic lipid levels from de nova lipogenesis. This reaction results in increased very low density lipoproteins (VLDL) synthesis and secreation.4 The over consumption of fructose might be explained by the insufficient signaling
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This is extra so in the case of knee arthritis. Strengthening your quads will imply that you are creating more of a barrier around your knee‚ there will probably be less drive by means of the joint and your muscle tissues can essentially aid to open up the joint and preserve the compressive forces down. An additional factor that you would be able to appear at are a entire bunch of ordinary joint suffering treatments. These incorporate several distinct dietary supplements
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Final Case Study: A Teenage Female Champion Grace MacMillan Nutrition for Fitness and Sport Introduction Ice hockey is characterized by high intensity intermittent skating‚ rapid changes in velocity‚ lengthy duration and frequent body contact (1). The typical player performs for 15 to 20 minutes of a 60 minute game (1). Each shift lasts from 30 to 90 seconds with 4 to 4 minutes of recovery between shifts. The intensity of a particular shift is determined be the duration and the extent
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The Atkins’ diet helps in weight loss and increases health benefits. It is based on lowering of carbohydrate intake to increase metabolism and body efficiency. This diet usually causes the body to use adipose tissue‚ or fat‚ for energy instead of the alternative glucose. If the dieter follows through with the diet with daily exercise‚ the person should experience steady weight loss. Some low-fat diets have taken the stand against the low-carbohydrate claim. It expresses that followers of low- fat
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