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Med-Terminology-EXPH-Terms - 1 EXPH 240 MEDICAL TERMINOLOGY...

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1 EXPH 240 MEDICAL TERMINOLOGY EXERCISE PHYSIOLOGY TERMS Accommodating Resistance : A feature unique to isokinetic testing or training apparatus where a counter force is provided so that the speed of contraction is controlled. Adenosine Triphosphate (ATP): A complex chemical compound formed with the energy released from food and stored in all cells, particularly muscles. Only from the energy released by the breakdown of this compound can the cell perform work. Aerobic: In the presence of oxygen. Aerobic Power: Maximal rate at which an individual can consume oxygen during the performance of all-out, exhaustive exercise; “best” index of cardiorespiratory fitness. Aerobic System: Term used to denote the entire series of biochemical reactions and pathways whereby ATP can be synthesized from food-fuels but only in the presence of oxygen. Includes aerobic glycolysis, Krebs Cycle, and ETS. Anabolic: Protein building. Anaerobic: In the absence of oxygen. Anaerobic Glycolysis: The incomplete chemical breakdown of carbohydrate. The anaerobic reactions in this breakdown release energy for the manufacture of ATP as they produce lactic acid (anaerobic glycolysis is known as the lactic acid system). Anaerobic Power: The development of maximal or peak power during exertion; measured as work (force in kg x distance in meters) expressed per unit of time (min). Anaerobic Threshold: That intensity of work load or oxygen consumption at which anaerobic metabolism is accelerated. ATP-PC System: An anaerobic energy system in which ATP is manufactured when phosphocreatine (PC) is broken down. This system represents the most rapidly available source of ATP for use by muscle. Activities performed at maximum intensity for a period of 10 seconds or less derive energy (ATP) from this system. Attributal risk: The rate of a disease or other outcome in exposed individuals that can be attributed to the exposure. This measure is derived by subtracting the rate of the outcome (usually incidence or mortality) among the unexposed from the rate among the exposed individuals. Beta-Oxidation: The series of reactions by which fat is broken down from long carbon chains to
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2 two carbon units in preparation for entry into the Krebs Cycle. Bioenergetics: The study of energy transformations in living organisms. Biopsy: The removal and examination of tissue from the living body. Blood Pressure: The force per unit area exerted by the blood against the inside walls of an artery; the driving force that moves blood through the circulatory system. Body Mass Index (BMI): A much-used indication of the “size” of an individual in relationship to his or her height; ratio of wt:ht squared using units of kilograms and meters. Calorie (cal):
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Med-Terminology-EXPH-Terms - 1 EXPH 240 MEDICAL TERMINOLOGY...

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