To get really pedantic, she's kinda-sorta right.
Doing large volumes of cardio work will, maybe, match or exceed the total calorie burn of high intensity work.
The problem is, it's not practical to keep up that kind of workload....you're talking several hours a day, every day
And the fact that higher intensity work favors positive body-comp changes anyway
So she's still BSing. Probably uninformed, and BSing.
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