Muscle mass has a higher density than fat mass. True or False
People who tend to gain weight in the hip area have a higher incidence of coronary heart disease than those people who gain weight in the abdominal area. True/False
Nearly 90% of cases of type 2 diabetes could have been prevented with healthy lifestyle choices. True/False
Type 1 diabetes
Since 1970, the daily caloric intake among Americans has risen by at least
For a person who is overweight, increasing physical activity can benefit health even if it doesn't result in a change in body weight or percent body fat. True/False
One possible explanation for the increase in obesity among Americans over the past 40 years is
A waist to hip ratio above 1.0 is
According to standards issued by the National Institutes of Health (NIH) and the World Health Organization (WHO), a healthy BMI is between
Two people of the same body weight may have different values of percent body fat. True/False
Which of the following definitions is incorrect?
once the condition has progressed, long-term consequences are unavoidable.
the condition is most prevalent among athletes who participate in certain sports, such as figure skating and volleyball.
A person with a body mass index of 31.2 is classified as
A condition called the "female athlete triad" consists of
People are at greater risk for early onset heart disease if they tend to gain weight in the
Which of the following is not a factor in the development of type 2 diabetes?
Metabolic syndrome increases the risk of heart disease for
The percentage of Americans who are classified as obese is approximately
Height and weight tables rely on
Essential body fat is located just below the skin. True/False
The key to a healthy body composition is to
Most cases of acute back pain last longer than a month. True/False
Nerve roots in the spine are the key component of intervertebral disks. True/False
The structures that absorb and disperse stress on the spine are
Stretching exercises should be performed
A disadvantage of active stretching is that it
Which of the following is NOT one of the common stretching techniques?
active stretching static stretching proprioceptive neuromuscular facilitation isotonic stretching
proprioceptive neuromuscular facilitation
The amount of stretch a muscle will tolerate is unlimited. True/False
Joint capsules are
Dynamic flexibility does NOT affect your ability to
swim the crawl stroke.
perform a split.
swing a golf club.
pitch a softball.
Intervertebral disks maintain the spaces between vertebrae. True/False
Which of the following is NOT a function of the spine?
protection of the spinal cord
structural support for the lower body
transmission of body weight to the lower body
attachment site for muscles, tendons, and ligaments
Back pain is NOT likely to result from
When walking, you should
keep your head up and chin in. wear tight shoes. take steps slow rather than fast. point your toes slightly outward.
keep your head up and chin in.
wear tight shoes.
take steps slow rather than fast.
point your toes slightly outward.
Jose checks his posture by standing with his back to a wall. He slides his hand easily between his lower back and the wall, but it almost touches both his back and the wall. Jose
When sitting at a computer, you should
place your knees slightly higher than your hips. sit at an upright 90-degree position. place your feet flat on the floor or on a footrest. adjust the monitor so your eyes are level with the middle of the screen.
place your knees slightly higher than your hips.
sit at an upright 90-degree position.
place your feet flat on the floor or on a footrest.
adjust the monitor so your eyes are level with the middle of the screen.
Of the following, which is best for your posture when lying down?
Smoking is a risk factor for low-back pain. True/False
The most common site of back pain is the _____ area.
The thoracic vertebrae are found in the neck. True/False
An essential component of safe passive stretching is
The stretching technique most commonly associated with injury is
The American College of Sports Medicine recommends performing stretching exercises at least _____ days per week.
A stretch should be held in position for a minimum of 45 seconds. True/False
2.Good flexibility has NOT been shown to convey
improved body composition. prevention of muscle soreness. prevention of injuries. improved performance in sports.
improved body composition.
prevention of muscle soreness.
prevention of injuries.
improved performance in sports.
Flexibility is not an adaptable fitness component. True/False
For overall fitness, you should include ______ different exercises in your weight training program.
A recommended amount of resistance and number of repetitions for improving muscular endurance is
A type of body weight exercise that emphasizes control of movement is called
A type of isotonic exercise used by athletes during training to simulate movement during sprinting or throwing is called
When a muscle lengthens as it contracts, the movement is referred to as an eccentric contraction. True/False
Muscular force exerted as a muscle shortens is best classified as
Which of the following is NOT a result of inactivity and aging?
increase in fat free mass nerves disconnecting from muscles they control muscles that contract more slowly loss of bone tissue
increase in fat free mass
nerves disconnecting from muscles they control
muscles that contract more slowly
loss of bone tissue
increase in fat free mass
An essential hormone that men have in higher amounts than women and that allows men to build more muscle mass than women is
A person recruits more motor units when picking up a small weight than when picking up a large weight. True/False
Activities that would predominantly use fast-twitch muscle fibers are
Power activities such as sprinting use predominantly fast-twitch muscle fibers. True/False
Fast-twitch muscle fibers are NOT characterized by
anaerobic energy system.
use in sprinting.
Slow-twitch muscle fibers are NOT characterized by
oxidative energy system. use in endurance activities. rapid contraction. fatigue resistance.
oxidative energy system.
use in endurance activities.
A motor unit is made up of
The development of large muscle fibers is referred to as atrophy. True/False
Heatstroke requires emergency medical treatment. True/False
Excessive loss of body fluid is called
An appropriate exercise heart rate for an average individual is ________ of maximum heart rate.
Exercise reduces levels of high blood pressure. True/False
Long-term effects of regular cardiorespiratory exercise include
During short high-intensity activities, fat is the favored fuel. True/False
Which of the following is NOT an energy-containing nutrient?
A person's total blood volume is circulated about once every ________ seconds.
The vena cava is the largest artery in the body. True/False
Which of the following is NOT a component of the cardiorespiratory system?
the blood vessels
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