Got a stomachache? Use the search box ( ) to find out some common causes of belly discomfort by doing a search on the following words to match the cause with its description:
(picture down below with the options)
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People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.