Is High Intensity Interval Training JUNK Training?
The terms, quality and junk training get used a lot.
But what is a quality session and what is a junk session?
High Intensity Interval Training sessions can be junk and Long Slow Distance can be quality.
Start taking advantage of High Intensity Interval Training and fast track your performance.
Need more structure and specific advice to Train Smarter?
Check out these training plans.
