To do interval training, you need to alternate between a short burst of hard exercise and a short period of easy recovery. (turbulencetraining.com)
I'm trying to point out that staying on track with your goals is the most important factor when it comes to training, not how hard an exercise protocol is. (completehumanperformance.com)
Healthy adult dogs that are not doing hard exercise usually need a dog food that has a fat percentage that is about half of the food's protein percentage. (pawster.com)