Chapter 13 Flashcards
What percent of american adults are overweight?
66 percent
What is essential fat?
minimum amount of fat in the body necessary to maintain healthful living
What is a good fitness health zone for males? BMI
17-25
What is a good fitness health zone for females? BMI
17-25
What is a good % body fat range for males?
10-20
What is a good % body fat range for females?
17-28
What is a female athletic triad?
it refers to 3 related and linked symptoms that affect some women athletes, the conditions are linked because low body fat leads to amenorrhea
What is part of the female athletic triad?
eating disorders
low energy availability
amenorrhea
decrease in bone mineral density
Why do people weigh differently throughout the day?
levels of hydration can change weight
What is BMI?
body mass index
persons weight in kg divided by their height
What is the gold standard for body composition?
DXA aka duel-energy absorptiometry
How do we measure skin folds?
with a caliper pinching various parts of the body to locate a skin fold. A measurement of 2 or 3 skin folds is shown to be reasonably accurate
What is BIA?
bioelectric impedance analysis
How does BIA work?
measures resistance to current flow, electrodes are placed on the body and low doses of current are passed through the body
What is waist to hip ratio?
the circumference of the waist to that of the hips
How do you calculate waist to hip?
waist divided by hip
How much weight should you lose a week?
no more than 1-2 pounds per week
What is BMR?
Basal Metabolic Rate- energy expenditure in a basic or rested state
What is creeping obesity?
when body fat gradually increases with age due to the fact that BMR decreases as you get older
What is the best way to control fatness?
maintaining healthy levels of body fat for both children and adults
Adequate sleep
decreasing screening time
decrease in sitting
What are the health risks associated with obesity? (6)
impairs the functions of the cardiovascular system, pulmonary system, skeletal system, reproductive system,, and the metabolic system
increases risk for cancers and other disease
Where is excess body fat stored?
upper body fat (Northern Hemisphere fat)
lower body fat (southern hemisphere fat)
core body fat (visceral fat)
What location of fat is the most dangerous?
The core or visceral fat because of high blood fat levels and heart issues
What is set point?
describes the way the body protects current weight and resists change
