According to the FITT principle, the letter "I" signifies
A. the "interval" or time between exercise sessions.
B. the "intensity" of exercise.
C. "interval" training.
D. None of these answers is correct
Answer: B
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Which of the following is an example of correlational research?
a. A historian conducts an extensive study of the factors that led to the American defeat at Pearl Harbor in 1941. b. A researcher tracks smokers and nonsmokers to see how many of them get lung cancer and if there are significant differences in lung cancer rates between the two groups. c. A researcher interviews taxpayers to find out how strongly they would support a proposal for a "flat" tax. d. A researcher randomly divides her participants into two groups, giving one group a powerful new medicine while the other group gets a placebo.
Nora has been regularly performing the same exercise routine for five years. She has reached a plateau in her fitness level. Based on the principles of physical activity, which is the best explanation for this?
A. Her body needs more specific exercises to achieve further benefits. B. Nora needs to provide additional overload to gain further benefits. C. The adaptations from her regular exercise regimen have been reversed. D. She needs to build in appropriate rest to allow her body to recover and adapt.
The outer layer of the adrenal gland is the:
a. epinephrine. b. norepinephrine. c. adrenal medulla. d. adrenal cortex.
People with lower incomes tend to exercise the least of all
Indicate whether the statement is true or false