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Metabolism ✔✔A chemical process that converts food into energy Adenosine Triphosphate (ATP) ✔✔Provides energy for muscles, nerve impulses, and chemical reactions that support human life Total Daily Energy Expenditure (TDEE) ✔✔Estimated calories needed per day based on age, sex, height, weight, and physical activity level Calorie ✔✔Amount of energy a food can provide after being broken down Thermodynamics ✔✔How energy is transferred from one place to another and from one form to
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Metabolism ✔✔A chemical process that converts food into energy Adenosine Triphosphate (ATP) ✔✔Provides energy for muscles, nerve impulses, and chemical reactions that support human life Total Daily Energy Expenditure (TDEE) ✔✔Estimated calories needed per day based on age, sex, height, weight, and physical activity level Calorie ✔✔Amount of energy a food can provide after being broken down Thermodynamics ✔✔How energy is transferred from one place to another and from one form to another First Law of Thermodynamics (Law of Conservation of Energy) ✔✔Energy can be transformed from one form to another, but it cannot be created nor destroyed Energy ✔✔Ability to do work Potential Energy ✔✔Stored for later Kinetic Energy ✔✔Used for work
Energy balance ✔✔Balance of calories consumed minus calories burned Energy In (Energy Intake) ✔✔Total calories consumed in a given period of time Energy Out (Energy Expenditure) ✔✔Calories burned through digestion, activity, or non-exercising movements Resting Metabolic Rate (RMR); Basal metabolism ✔✔Number of calories burned when the body is at rest Thermic Effect of Food (TEF) ✔✔Increase in energy expenditure after eating a meal Thermic Effect of Activity (TEA) ✔✔Energy expenditure due to physical work, muscular activity, and exercise Non-exercise Activity Thermogenesis (NEAT) ✔✔Physical activities that may increase metabolic rate and are not part of structured exercise (walking, typing, etc) Metabolic Equivalent (MET) ✔✔Used to describe RMR and energy expenditure Used to prescribe exercise training intensities Metabolic Equivalent (MET) Equation ✔✔One Metabolic Equivalent (MET) = 3.5 ml O2 / Kg/min
Ghrelin ✔✔Hormone released by the stomach that increases hunger Cholecystokinin (CCK) ✔✔Hormone released in the gastrointestinal system that is responsible for stimulating the digestion of fat and protein Neuropeptide Y (NPY) ✔✔A hormone produced in the hypothalamus that helps stimulate the sympathetic nervous system, which increases hunger and fat storage Neuropeptide Molecules ✔✔Small protein-like molecules used by neurons to communicate with each other Insulin ✔✔A hormone produced by the pancreas that helps to decrease blood sugar Hyperglycemia ✔✔High blood sugar Glucagon ✔✔A hormone that increases blood sugar levels Food processing ✔✔Any procedure that alters food from its natural state Satiety ✔✔feeling of fullness
ATP-PC System (Adenosine Triphosphate-Phosphocreatine) ✔✔Primary energy system used for all-out exercise ATP-PC stands for ✔✔ATP-PC = Adenosine Triphosphate-Phosphocreatine Phosphocreatine (PC) ✔✔Immediate energy source stored in the muscles in limited amounts to synthesize ATP in the ATP-PC System Creatine kinase ✔✔Enzyme that breaks down phosphocreatine (PC) into creatine and an inorganic phosphate (Pi) Anaerobic ✔✔Without oxygen Glycolysis ✔✔Breakdown of glucose or glycogen to pyruvate Respiratory Exchange Ratio (RER) ✔✔Ratio between amount of carbon dioxide produced in metabolism and oxygen used Beta-oxidation ✔✔Breaking down fat for energy, which does not directly produce ATP Energy metabolism ✔✔Process of generating energy (ATP) from nutrients we consume