IMPORTANT BIOFITNESS WORD DEFINITIONS
35 WORDS THIS PAGE DEFINITION
AEROBIC Energy created with oxygen, or in the presence of oxygen.
AEROBIC SELF TEST Any standardized procedure for determining an individual'smaximum oxygen uptake per kilo of body weight.
AEROBIC STEADY STATE A level of metabolism when the oxygen consumption satisfies the energy expenditure and the heart rate required foroxygen transport stabilizes.
BLOOD PRESSURE The pressure of the blood in the blood vessels; usually refering to arterial blood pressure divided into diastolic(the pressure when the heart is at rest between beats) and systolic (the pressure when the heart is contracting).
BLOOD SHUNT The reduction of the blood volume in the body organs and its movement to the working skeletal muscles.
BODY FAT The total amount of fat in the body.
CALORIE A measure of heat; usually a large calorie (kilocalorie,KC, or C) which is the amount of heat needed to raise the temperature of one kilogram of water one degree Celsius.
CARBOHYDRATE A group of compounds containing carbon, hydrogen, and oxygen; comprising all the sugars (glucose, glycogen, starch, fiber, cellulose, and saccharides).
COOL-DOWN A gradual reduction of activity after vigorous exercise for the purpose of reducing the heart rate back to aresting level, the dissipation of heat, the maintenance of blood flow , and the recovery of the muscles.
CORE TEMPERATURE The temperature of the deep tissues of the body.
CRAMP An involuntary, spasmodic, painful contraction of a muscleor muscles caused by a strain, heat, and/or electrolyte loss.
DEHYDRATING The reduction of the body water to below the normal level; water output exceeds water intake.
DURATION The amount of time spent exercising in the aerobic state during each exercise session.
ELECTROLYTES A solution that contains ions and can conduct electricity; often the ions of salts such as sodium and chloride.
FAT Triglycerides; a combination, or ester of three fatty acids and glycerol.
FATIGUE A generalized or specific feeling of tiredness that may havea multitude of causes both mental and physical.
FREQUENCY The number of times in a day or a week spent in aerobic exercise.
FUNCTIONAL CAPACITY A quantified comparison of cardiovascular ability by percentage of expected maximum capacity as modified for age, gender and body weight.
HEART ARRHYTHMIA An irregular rhythm or beat of the heart.
HEAT EXHAUSTION Weakness or dizziness caused by overexertion in a hot environment.
HEAT STROKE Elevated body temperature of 106 degrees F. or greater caused by exposure to excessive heat, creating increasedinternal heat production combined with diminished heat loss.
HUMIDITY A high level of dampness or moisture in the air.
HYPERHYDRATE The practice of increasing the body-water stores by additional fluid consumption prior to intensive prolonged aerobic exercise in a hot environment.
INTENSITY The relative heart rate, speed, or level of exertion expressed as a percentage of the maximum allowable.
MAXIMUM HEART RATE The maximum rate of heart beats per minute acceptable relative to age.
MAXIMUM INTENSITY The maximum exertion level acceptable for an individual during exercise.
METs A measurement unit of energy expenditure; one MET equals approximately 3.5 milligrams of oxygen consumed perminute per kilogram of body weight.
RATE OF PERCEIVED EXERTION A subjective rating on a numerical scale, used to express the perceived difficulty of a given work task.
RATE OF PROGRESS An anticipated amount of improvement over time based upon fitness level and experience level.
SEDENTARY Accustom to sitting; inactive.
TARGET HEART RATE The precise amount of heart beats per minute appropriatefor aerobic conditioning based on age, gender, body weight, and VO2 max.
TRAINING HEART RATE The minimum heart rate required to produce an aerobic steady state.
TRAINING HEART RATE RANGE The range of heart beats per minute appropriate for aerobic conditioning based on age, gender, body weight, and VO2 max.
VO2 MAX The maximum oxygen uptake; measured during exercise and expressed in kilograms per minute.
WARM-UP Low-level exercises used to increase the muscle temperature and/or stretch the muscles prior to strenuous activity.
WORKLOAD The total of resistance as measured by time and/or effort into days, weeks, or months.

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