Principle of maximal HIIT

A principle of maximal HIIT for a high effect on endurance through smarter training in the sense that you use modern research.

Per, Strength stairs

What you need to keep in mind is that HIIT needs to be supplemented for sustainable health and that a habit of, for example, running, cycling or rowing for an hour or more needs to be practiced and exercised so that endurance in the whole body is built up.

Lesson