Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
Air Plethysmography
|
A procedure for assessing body composition by using air displacement to measure body volume, allowing the calculation of body density
|
|
|
Bioelectric Impedance
|
A procedure for assessing body composition in which an electrical current is passed through the body, The resistance to current flow through the tissues reflects amount of fat present
|
|
|
Body Composition
|
The chemical composition of the body
-Two component model: Fat-free mass and fat mass |
|
|
Body Density(D body)
|
Body weight divided by body volume
|
|
|
Carbohydrate
|
An organic compound formed from carbon, hydrogen, and oxygen; includes starches, sugars, and cellulose
|
|
|
Carbohydrate Loading
|
Increased dietary consumption of carbohydrates
-A process used by athletes to increase carbohydrate stores in the body prior to prolonged endurance exercise |
|
|
Dehydration
|
loss of body fluids
|
|
|
Densitometry
|
The measurement of body density
|
|
|
Dual-energy X-ray absorptiometry (DXA)
|
A technique used to asses both regional and total-body composition through the use of X-ray absorptiometry
|
|
|
Electrolyte
|
A dissolved substance that can conduct an electrical current
|
|
|
Essential Amino Acids
|
The eight or nine amino acids necessary for human growth that the body cannot synthesize; should be essential part of our diets
|
|
|
Extracellular Fluid
|
The 35%-40% of the water in the body that is outside the cells, including interstitial fluid, blood plasma, lymph, cerebrospinal fluid, and others
|
|
|
Fat-free Mass
|
The mass(weight) of the body that is not fat, including muscle, bone, skin, and organs
|
|
|
Fat Mass
|
The absolute amount or mass of body fat
|
|
|
Female Athlete Triad
|
Thee(3) interrelated disorders:
-Eating disorders -Menstrual dysfunction -Bone mineral disorders |
|
|
Free Radicals
|
Univalent(unpaired) oxygen intermediates that leak out of the electron transport chain during metabolic processes and may damage tissues
|
|
|
Gastric Emptying
|
The movement of food mixed with gastric secretions from the stomach into the duodenum
|
|
|
Glycogen Loading
|
The manipulation of exercise and diet to optimize the body's glycogen storage
|
|
|
Hyponatremia
|
A blood sodium concentration below the normal range of 136-143 mmol/L
|
|
|
Intracellular Fluid
|
The approximately 60%-65% of total-body water that is contained in the cells
|
|
|
Macrominerals
|
Those minerals of which the body needs more than 100 mg per day
|
|
|
Microminerals(or Trace Minerals/Elements)
|
The minerals of which the body needs less than 100 mg per day
|
|
|
Nonessential amino acids
|
The 11-12 amino acids that the body synthesizes
|
|
|
Osmolality
|
The number of solutes (such as electrolytes) dissolved in a fluid divided by weight of that fluid; usually expressed in units of osmols (or milliosmols) per kg
|
|
|
Protein
|
A class of nitrogen-containing compounds formed by amino acids
|
|
|
Relative Body Fat
|
The ratio of fat mass to total-body mass, expressed as a percentage
|
|
|
Skinfold fat thickness
|
The most widely applied field technique used to estimate body density, relative body fat, and fat-free mass.
-Involves measurement with calipers of the skinfold fat at one or more sites |
|
|
Thirst Mechanism
|
A neural mechanism that triggers thirst response to dehydration
|
|
|
Vitamin
|
One of a group of unrelated organic compounds that preform specific functions to promote growth and to maintain health.
-Vitamins act primarily as catalysts in chemical reactions |
