HIIT Training: What, When, and How
By Coach Maria Simone High Intensity Interval Training, a.k.a. HIIT, makes your muscles AND lungs burn and scream. These are the sessions where you beg for mercy – only to realize the endurance sport gods don’t care. More scientifically, HIIT works your anaerobic energy system, with intervals that are approximately 30 seconds to 3 minutes in length. Depending[…]