Dr. Stacy Sims: How To Do HIIT Without Spiking Your Cortisol
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In this conversation, we explore why not all high intensity interval training is actually HIIT and why that distinction matters, especially for women in midlife.
Dr. Stacy Sims explains the difference between true HIIT, sprint interval training (SIT), and the longer "HIIT" classes many people take. She discusses how workout intensity, recovery, and duration influence cortisol, muscle adaptation, blood flow, metabolism, and post-exercise hormone responses. The conversation also highlights