Welcome to exhaustion……

The Idea of High intensity Intervals is simple, old and well documented.  The basic rule is:

Exercise like hell. How?

• Maximum or almost maximum intensity close to as long as you can (usually 30-60 sec)
• Take it slow 10-20 sec
• Repeat

I go for 15-20 min… Then walk to cool down…..  Which exercise?  I like elliptical, running in place, Stepping is good also, but tough on the quads sometimes.

It is only 20 min and it does go by fast…. But the effects last for quite a while (metabolically speaking) for hours after…. Tomorrow, rest and fruit…..