PE 6-7

A typical female who is 20 to 24 years old has about ______ of essential fat.

12%

To assess your risk of unhealthy body fat distribution, you can use the waist circumference assessment. If you are 5 feet 6 inches tall, your waist measurement should be less than _____ inches.

33

According to the American Heart Association, approximately what percentage of adult Americans have metabolic syndrome?

34%

In 1960, the rate of obesity in the U.S. was about 13% but by 2016, it had increased to about

40%

A typical male who is 20 to 24 years has approximately ______ essential fat.

5%

In flexibility training, the ideal frequency for performing stretching exercises to achieve maximum effectiveness is ______ day(s) per week.

5-7

Children and adolescents should aim for at least ______ minutes of moderate physical activity every day.

60

How does total body electrical conductivity (TOBEC) estimate lean body mass?

It estimates lean body mass by passing a body through a magnetic field.

Which of the following are true of fat?

It helps regulates body temperature. It cushions body organs. It is a source of stored energy in the body.

How does dual-energy X-ray absorptiometry (DEXA) work?

It measures the tissue absorption of high- and low-energy X-ray beams.

Which of the following principles apply when developing body composition goals?

Keep them realistic. Choose goals that are reasonable to maintain. Make sure they are healthy.

Which of the following are generally true of people with an optimal amounts of fat and fat-free mass?

They are at lower risk of many chronic diseases. They move with greater efficiency. They are healthier.

Carrying less weight usually leads to

a decrease in muscle mass because the burden on the muscular system is smaller.

People should be wary about using a body weight scale to assess their body composition because

a scale cannot tell the difference between overweight and overfat.

The condition in women in which menstruation is infrequent or absent is called

amenorrhea.

What is the only method for directly measuring the percentage of body weight that is fat?

autopsy

The body can be roughly divided between

body fat and fat-free mass.

The first step toward establishing a lifelong fitness program is to

break out of a sedentary lifestyle.

The body mass index could be an inaccurate method of assessing body composition for some individuals because it

does not distinguish between fat weight and fat-free weight.

Obesity ______ mortality rates.

doubles

The relationship between calorie intake and body weight remains constant regardless of changes in body weight.

false

Which of the following are conditions associated with metabolic syndrome?

fat deposits in the abdominal regions high blood pressure

Which one of the following types of body tissues is the best conductor of electrical current?

fat-free tissues

Which factors play the greatest roles in determining the amount of fat stored in fat cells?

gender age diet

Regarding body fat, genetics determines

how many fat cells a person has.

Diabetes is associated with which of the following?

kidney failure retinal damage hypertension

Too little body fat is defined as

less than 3% for men and less than 8% for women.

Based on their body type, endomorphs would probably excel in activities like

lifting weights.

The final step in developing a personal fitness plan is to

make a commitment.

A person calculating body mass index using the standard method would use the

metric system

Body fat is incorporated into which of the following?

nerves mammary glands

Body mass index is based on the concept that

one's weight should be proportional to one's height.

A person with too much body fat, regardless of their total weight, is considered

overfat

What is the classification of an individual with a BMI value of 26.02?

overweight 18.5-24.9 is normal

The proportion of total body weight that is composed of fat is called the

percent body fat.

Varying the duration and intensity of workouts is a technique called

periodization of training.

Studies of people who lost weight and maintained the loss conclude the key to their long-term success is

physical activity.

Bioelectrical impedance analysis works by using a small electrical current to measure the body's

resistance

Muscular strength and endurance are best developed by

resistance training.

An endomorph has a body type that is

round and pear shaped.

The body mass index is not particularly useful for which of the following groups?

serious weight trainers people short in stature

In the late twentieth and early twenty-first centuries, society's idea of the "ideal" body type—as presented by the media—changed from

slightly plump to unhealthily thin.

Methods of assessing body composition based on _____ are less accurate than other methods but are still commonly used.

total body weight

Which of the following is an appropriate exercise program developed for general strength training?

two sets of ten repetitions of ten different exercises

Which of the following are methods to estimate body fat percentages?

underwater weighting bod pod skinfold bioelectrical impedance analysis dual energy x ray

To calculate waist-to-hip ratio, divide

waist circumference by hip circumference.

BMI formula

weight (kg) / height (m^2)