Physical Activity
What is the best definition of physical activity?
movement carried out by the skeletal muscles that requires energy
What are joint capsules?
semielastic structures that surround major joints
How is muscular strength assessed?
by measuring the most force a muscle can produce in one effort
Which dimension of wellness includes optimism, trust, and self-confidence?
emotional wellness
Which type of circulation does the right side of the heart provide?
pulmonary
To which type of physical activity does the term exercise specifically refer?
planned, structured, and repetitive activity
What are the two principal types of connective tissue in a muscle?
elastin and collagen
How is muscular endurance assessed?
by measuring the ability of a muscle to exert a submaximal force repeatedly over time
The ability to think critically is an example of ________ wellness.
intellectual
To where does pulmonary circulation carry blood?
lungs
According to the latest recommendations, for substantial health benefits adults should
do at least 150 minutes of moderate-intensity aerobic exercise per week.
What are the yellow fibers that make connective tissue flexible?
elastin
What is the definition of hypertrophy?
an increase in muscle fiber size
What was the approximate life expectancy in 1850?
40 years
Which small blood vessels distribute blood throughout the body?
capillaries
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.
Which is a proprioceptor?
a nerve
What characterizes slow-twitch muscle fibers?
fatigue resistance
What was the most serious threat to a person's health in 1850?
infectious disease
What is the storage form of carbohydrates in the liver, muscles, and kidneys?
glycogen
Cardiorespiratory endurance, flexibility, and muscular strength are all components of
health-related fitness.
What is the long-term lengthening of connective tissues called?
plastic elongation
What makes up a motor unit?
one motor nerve connected to muscle fibers
What are the three leading causes of death in the United States?
heart disease, cancer, and chronic lower respiratory diseases
When does the body utilize fat efficiently as a fuel?
during periods of mild, low-intensity activity