For those days you just don't feel like it! This 6 minute power-workout is enough to get the blood flowin' and endorphins goin'. I live by my 5-minute rule. Usually 5 minutes in I am willing to do more! No equipment needed.
The benefits of intense strength training with the benefits of lower impact exercise. This tabata-style workout has 6 exercises with increasing intensity. This is a great addition to any running routine.