Crunched for time? Try a Sprint 8 workout!
by Infinite Fitness | Feb 25, 2014 | Infinite Fitness Blog, Train Hard
Sprint 8 is a high intensity program that takes just 20 minutes to complete. This program includes intervals of recovery between intervals of high intensity, all-out pushes to your maximum thresholds. Sounds easy enough, right? But it is a workout unlike any other....