Diet Therapy (5th ed.). Philadelphia‚ PA: F. A. Davis Company. Tarnopolsky‚ M. A.‚ Cipriano‚ N.‚ Woodcroft‚ C.‚ Pulkkinen‚ W. J.‚ Robinson‚ D. C.‚ Henderson‚ J. M.‚ & MacDougall‚ J. D. (1996). Effects of Rapid Weight Loss and Wrestling on Muscle Glycogen Concentration. Clinical Journal of Sports Medicine‚ 6(2)‚ 78-84. Mountjoy‚ M. (2008). Weight Control Strategies of Olympic Athletes Striving for Leanness: What Can be Done to Make Sport a Safer Environment? Clinical Journal of Sports Medicine‚ 18(1)
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synthesized from carbon‚ oxygen‚ and hydrogen atoms. Some types of carbohydrates consist of a single unit consisting of a few atoms‚ while other carbohydrates consists of thousands of units linked together through chemical bonds. Glucose‚ maltose‚ and glycogen are three carbohydrates that are similar‚ but structurally different. Carbohydrates have the general molecular formula CH2O. Starch and cellulose are the two most common carbohydrates. Both are polymers (hence "polysaccharides"); that is‚ each is
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Nutrition News The liver is often overlooked when we consider organs integral to exercise‚ but it is an important reservoir of glycogen‚ the body’s stored form of glucose. All sugars‚ including sucrose‚ or table sugar‚ and high-fructose corn syrup‚ which usually consists of almost equal portions of glucose and fructose‚ are converted into glucose‚ and stored as glycogen‚ in the body. Strenuous exercise diminishes or
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1. Define autotroph and heterotroph and give an example of each. (1 point) Autotroph refers to the process of collecting energy from sunlight. This type of energy is fundamental for plants in order for them to survive‚ so we can conclude that plants are an example of an autotroph. Heterotroph refers to the process of collecting energy by consuming substances/products like meats‚ fats‚ carbohydrates‚ fruits‚ etc. Humans are an example of heterotroph since they are the ones who perform this process
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absorbed in the blood it travels liver where the glucose is being absorbed and being converted into glycogen. When there is a hypoglycemia in the body the alpha cells in the body which is found in the pancreatic islet is being trigger to the alpha cells to secrete glucagon on liver cells (Tortora et al.‚ 2014 p644)‚ the glucagon works primarily on the liver cells which converts the stored glycogen into glucose and distribute into the blood and promote gluconeogenesis where there is a formation of
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Once alpha cells detect a drop in blood sugar levels‚ they release the hormone glucagon. Glucagon promotes the breakdown of glycogen in the liver‚ converting glycogen into glucose‚ which is then released into the blood. In this way‚ glucose levels in the blood begin to rise. Effector cells (hepatocytes)‚ after being stimulated by glucagon‚ begin to break down the glycogen stored in them into glucose and release the glucose into the blood. In addition‚ muscle tissue and fat tissue are also affected
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there needs to be more synovial fluid in the joints to allow and assist this movement When we start to warm up: • The muscles need energy in the form of glycogen to make the sarcomeres contract. – So the heart (cardiac muscle) beats faster to provide the glycogen to the muscles via the blood. • The conversion of chemical energy (from the Glycogen) to movement (contraction of the
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Energy Systems Contents Page Title Page Number Energy from Foods 3 Re-Synthesis 4 Creatine Phosphate Energy System 5 Lactic Acid Energy System 6 Aerobic Energy System 7 Sporting Examples 8 Training Methods 9 Bibliography 11 Energy from Foods We need energy in order to make our muscle fibres contract. Our energy comes from two main sources; Fats and Carbohydrates. Our energy is obtained from the oxidation that takes place in carbohydrate and fat food sources. Oxidation is the combination
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itself. Examples of negative feedback: (1) when blood pressure rises‚ the heart slows down; (2) when glucose levels in the blood are too high‚ the pancreas secretes insulin to stimulate the absorption of glucose and the conversion of glucose into glycogen. In positive feedback‚ the body reacts to a change from the normal state by causing an even greater change. Examples of positive feedback: (1) when constrictions in the uterus push a baby into the birth canal‚ contractions in the uterus increase;
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pancreas. If the blood glucose level falls to dangerous levels (as in very heavy exercise or lack of food for extended periods)‚ the pancreas releases glucagon‚ a hormone whose effects on liver cells act to increase blood glucose levels. They convert glycogen storage
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