This is the Sock Doc’s mega-post on training principles. It’s divided into five parts, all relating to each other at various levels. I hope you enjoy them and learn a thing or two. Please post any comments or questions here on this post, or on the individual articles.

Sock Doc Training Part I: Aerobic Activity Is the Foundation to Your Health AND Fitness
- What exactly is “cardio” exercise?
- Aerobic activity will benefit everybody—it is NOT “chronic cardio.”
- Understand the difference between aerobic and anaerobic and their importance for health and fitness.
Sock Doc Training Part II: Build Your Aerobic System: Move Your Ass Often, but Not Too Quickly
- Learn how to build your aerobic system correctly and efficiently.
- Understand the dangers of too much true aerobic activity.
- Explore HIIT—high-intensity interval training—and when and why you should or should not do these workouts.
Sock Doc Training Part III: Strength Training: Do It, but Make It Work for You
- Strength conditioning for endurance athletes—it’s a good thing if done correctly.
- Aerobic training for strength athletes—yup, them too.
Sock Doc Training Part IV: The Sock Doc Training Formula
- Discover a new Sock Doc Training Formula for optimum health and fitness.
- Improve your health and fitness without sacrificing one or the other.
- Overtrained or under rested? Let’s discuss.
Sock Doc Training Part V: That Marathon May Kill You?
- Long-distance training can wreck your health or send you to an early grave if you train improperly.
- Train smart, race smart, and live a healthy and fit life.


