You might have heard of Interval Training, but what the heck is it?! Interval Training is a method of working out that integrates intense bursts of energy followed by rest periods. So for example, a 100 yard sprint, followed by a brisk walk back to the starting line is an interval. String many of these [...]

After watching the video above, still not sure on how to change it up to stimulate your mind and body? Try some of the tips below!