Chapter 2 Principles of Physical Fitness
Which of the following statements about exercise intensity is accurate?
Fitness benefits occur when people exercise harder than their normal level of activity.
Which change to muscle cells causes older adults to lose muscular strength?
The cells get smaller in size.
a high proportion of muscle, bone, and water and an acceptably low proportion of fat
sensible diet and regular exercise
Which is most effective in improving flexibility?
stretching major muscle groups regularly
An exercise stress test is used to detect
symptoms of heart disease.
Which activities are on the bottom level of the physical activity pyramid?
walking, climbing stairs, and yard work
What does the Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) achieve?
It determines exercise safety.
How does cooling down help those who exercise?
It restores circulation to its normal resting condition.
Which statement is true regarding exercise and physical activity for those with disabilities?
Physical activity is more important for people with disabilities than for able-bodied people.
What is one effect of increasing one's cardiorespiratory endurance?
The resting heart rate decreases.
What is one way to effectively develop a higher degree of fitness?
Vary the program from time to time.
Which is a good strategy for evaluating a health and fitness center?
Visit at the time of day when you plan to use the club.
What characterizes healthy body composition?
a high proportion of muscle, bone, and water and an acceptably low proportion of fat.
Which combination of activities is most effective at developing healthy body composition?
a sensible diet and regular exercise
Which activities are best for developing cardiorespiratory endurance?
activities that involve continuous rhythmic movements of large muscle groups
Which activities best develop muscular strength and endurance?
activities that involve working with resistance, such as weights
Which ability is a skill-related fitness component?
agility
What is the first step in creating a successful fitness program?
assessing your current fitness level
Which term is defined as the ability of the body to perform prolonged, large-muscle, dynamic exercise at moderate to high levels of intensity?
cardio-respiratory endurance
According to the latest recommendations, for substantial health benefits adults should
do at least 150 minutes of moderate-intensity aerobic exercise per week.
Which activity best demonstrates specificity of training?
doing push-ups to develop chest and shoulder endurance
What is the best way to improve and maintain fitness?
exercising consistently
Which of the following is a dimension used to determine the amount of overload needed to maintain or improve one's fitness level?
frequency
Cardio-respiratory endurance, flexibility, and muscular strength are all components of
health-related fitness.
If one must temporarily stop exercising regularly, which factor should be maintained while the others are curtailed?
intensity
Which condition is closely linked to heart disease?
low cardiorespiratory fitness
Which is the best definition of physical activity?
movement carried out by the skeletal muscles that requires energy
The time component of the FITT-VP refers to the
number of sets and repetitions of specific exercises.
How quickly will people who stop exercising lose up to 50% of their fitness improvement?
2 months
What is the recommended duration for a session of cardiorespiratory endurance exercise?
20 to 60 minutes
Training can improve the body's ability to transport and use oxygen no more than about
5 to 30%.
Physical activity guidelines published by the U.S. Department of Health and Human Services suggest which action to achieve or maintain weight loss?
Exercise up to 90 minutes per day.
What is another name for cycle training?
periodization
To which type of physical activity does the term exercise specifically refer?
planned, structured, and repetitive activity
The body adapting to a gradual increase in the amount of exercise is the definition of which stage of exercising?
progressive overload
Which of the following statements best describes flexibility?
the ability to move the joints through their full range of motion
What is muscular endurance?
the ability to resist fatigue and to sustain muscular tension over time
What is the definition of muscular strength?
the amount of force a muscle can produce with a single maximum effort
When are overuse or overtraining injuries most likely to occur?
when a person increases the intensity of exercise before increasing the time (duration) of exercise
Which statement is correct regarding physical activity?
A little physical activity is better than none.