AFAA Personal Trainer Certification Study Guide Flashcards
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Hear attack occurs due to lack of blood flow through the coronary arteries to the heart muscle
Myocardial Infarction
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lack of blood flow
Ischemia
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the amount of blood pumped with each beat or systole
Stroke Volume
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heart rate x stroke volume. usually measured in liters (or milileters) of blood pumped per minute
Cardiac Output
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The amount of blood returned to the heart by the veins
Venous Return
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occurs when a person holds his or her breath during a strenuous activity, such as lifting weights or shoveling snow
Valsalva Maneuver
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total amount of air breathed per minute
Minute Ventilation
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amount of air remaining in the lungs after a complete and total forced exhale
Residual lung volume
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amount of air that can be forcefully exhaled after a maximal inahle
Forced vital capacity
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sum of the residual volume and the forced vital capacity
Total lung capacity
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body's usable form of carbohydrate
Glucose
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produced in muscles during rapid exercise when the body cannot supply enough oxygen to the tissues
Lactic Acid
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a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and release energy for the body in the form of ATP
Glycolysis
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a subcellular structure where oxidation takes place
Mitochondria
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A metabolic sequence that breaks fatty acids down to two
Beta oxidation
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the acetyl CoA formed in the first component of aerobic metabolism enters into the citric acid cycle
Krebs cycle
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the final sequence of reactions in the aerobic production of ATP
Electron transport system
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the maximum amount of oxygen consumed and utilized by the body during an all
Maximal oxygen uptake
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Exercise Oxygen Consumption
Excess Post
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each section of a myofibril in muscle
Sarcomere
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structural protein that makes up the thin filaments of myofibrils; functions in muscle contraction
Actin
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standing position with hands down and palms facing forward
Anatomical Position
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lying on the spine
Supine
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lying face down
Prone