Track exercise intensity with the 'talk test' - CNN

If you're wondering how to vary the intensity of your workout, try the "talk test" -- an easy way to measure intensity without any complicated fitness technology or visits to a trainer.

(CNN)If you're wondering how to stick with your favorite workout but make it more intense, the "talk test" might be your answer. The talk test is a way to measure relative intensity of an activity,… [+1977 chars]

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