Glossary of Terms 219 Disaccharide: Two monosaccharides linked together. Disordered eating: Refers to a disturbed and unhealthy pattern of eating that can include restrictive dieting, compulsive eating or skipping meals. Distress: Refers to bad or negative stress. Drive theory: This theory states that the more arousal and anxiety an individual experiences, the higher their performance will be. Duration: Amount of time spent exercising within a specific training session. Dynamic effort method: One of the three methods of strength training used by powerlifters to develop muscular contraction speed. Eccentric contraction: A type of muscle activation that increases tension on a muscle as it lengthens. Eccentric training: A method of strength training for advanced lifters in which more weight Is added to the bar than can be lifted concentrically. Elasticity: Ability of connective tissue to return to its original length after a passive stretch. Electrolytes: Electrolytes are minerals found in the body fluids. They include sodium, potassium, magnesium, and chloride. When you are dehydrated, your body does not have enough fluid and electrolytes. Electron transport chain (ETC): A series of complexes that transfer electrons from electron donors to electron acceptors and couples with the transfer of protons across a membrane. Emotional intelligence: Refers to the ability to manage one’s own emotions, communicate emotional states to others, and pick up on the emotional conditions of others. Epinephrine: A hormone secreted by the adrenal glands, especially in conditions of stress, increasing rates of blood circulation, breathing, and carbohydrate metabolism and preparing muscles for exertion. Essential amino acids (aka indispensable amino acids): Amino acids that must be consumed in the diet because the body cannot make them. Eustress: Refers to good or positive stress. Exercise activity thermogenesis: Refers to the energy expended during exercise. This does not include the energy expended while performing normal daily tasks (e.g., working, studying, walking to class). Exercise economy: Relates to the quantity of oxygen (ml/kg/min) required to move at a given speed or generate a specific amount of power and influenced by a number of factors including: neuro-muscular co-ordination, percentage of type I muscle fibers, elastic energy storage, and joint stability and flexibility. Exercise energy expenditure: Amount of energy expended during physical activity (e.g., endurance training, strength training).
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