HIIT That Actually Works
54:56–56:16 · 80s
Debra breaks down how true high-intensity intervals can raise VO2 max in five weeks and calls out popular classes for keeping people in a cortisol-raising ‘middle’ zone.
54:56–56:16 · 80s
Debra breaks down how true high-intensity intervals can raise VO2 max in five weeks and calls out popular classes for keeping people in a cortisol-raising ‘middle’ zone.
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