How much cardio you need—or whether you need any at all—comes down to your training goal. Watch as Joel and Luka explain how to determine the amount and kind of cardio you need to drive the greatest results possible. Then discover how to tie together your...

Ever since the first cavemen figured out they could get stronger by lifting rocks over and over again, people have been asking themselves the same two questions, “How much of this shit do I have to do?” and “How heavy does this rock (weight) need to be?” And thus...

A little over 20 years ago, I was first introduced to heart rate variability. It absolutely blew my mind. At that time, there was no fitness tech. No Fitbit. No Apple Watch. No mobile apps. I had never seen anything that even pretended to give you a window into how...

Whether it’s feeling stronger, looking leaner, or running faster, progress feels amazing. But the problem with physical progress is that the road to success is often elusive– especially after you’ve developed a foundational level of fitness. How do you keep improving...

Having bad conditioning sucks. Gasping for breath, knowing you have nothing left in the tank feels terrible. Especially when there’s a game, title, or competition on the line. So, I’m not surprised that I get asked this question a lot: How do I improve my...