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Grisell Ch 6

Body Composition

QuestionAnswer
The body's relative amounts of fat and fat-free mass Body composition
All the body's nonfat tissues: bone, water, muscle, connective tissue, organ tissue, and teeth Fat-free mass
Fat incorporated in various tissues of the body that is critical for normal body functioning Essential Fat
Tissue in which fat is stored; fat cells Adipose tissue
Fat located under the skin Subcutaneous fat
Fat located around major organs Visceral Fat
Is the number of fat cells in a person variable? No, you have a genetically determined number of fat cells-- they simply swell or shrivel
How many calories is a pound of body fat? 3500 calories
What percentage of essential fats does a woman have? 12%
What percentage of essential fats does a man have? 3%
Why do women have a higher percentage of essential body fat? Fat deposits in the breasts, uterus, and other sex-specific sites
Overweights BMI range 25 to 29.9
Obese BMI range 30+
List problems associated with being underweight Reproductive, respiratory, circulatory, and immune system disorders; premature death; amenorrhea; loss of bone mass
Absent or infrequent menstruation, sometimes related to low levels of body fat and excessive exercise Amenorrhea
A condition consisting of three interrelated disorders: abnormal eating patterns, amenorrhea, and decreased bone density Female athlete triad
How is BMI calculated kg / m^2
Measures the percentage of fat and fat-free weight from body density Underwater weighing
Measures the percentage of body fat by calculating body density from how much air is displaced by the person sitting in the chamber (plethysmography) The Bod Pod
A simple, inexpensive, and tedious way to asses body composition by using a caliper to measure fat on different parts of the body Skinfold measuring
Measures body fat by sending a small electrical current through the body and measuring the body's resistance to it (lower resistance = lower fat mass) Bioelectrical impedance analysis
Calculates body composition by measuring the tissue absorption of high and low energy X-ray beams DEXA: dual-energy X-ray absorptiometry
Calculates lean body mass by passing a body through a magnetic field TOBEC: total body electrical conductivity
The most common type of diabetes Type 2
Risk factors for type 2 diabetes Smoking, low-fiber diet, overweight/obesity, inactivity
Diabetes where the pancreas produces little or no insulin Type 1
Diabetes where the pancreas doesn't produce insulin, cells are resistant to insulin, or both Type 2
Created by: mgrisell