Why You Need Long Aerobic Exercise

There’s been a lot of talk and promotion in the fitness industry about high-intensity exercise. If you ask me, most of what is behind this talk is money. If we tell people what they want to hear—“all you need is a few minutes of high-intensity exercise per day”—people are more likely to buy. No one […]

The Truth About Excess Post-Exercise Oxygen Consumption (EPOC)

Ever since the fitness industry got a hold of research showing that people burn calories after they work out while they recover from their workout, a whole new argument was born. Exercise stopped being about the exercise and became about what came after. “Do this workout,” trainers and gurus would say, “because you’ll burn four […]

Running Economy

On my 5-mile run around Lake Miramar in San Diego today, I thought about economy. People use different amounts of oxygen when running at the same submaximal speeds, and this difference explains why runners with the same VO2max do not cross the finish line together in races. This difference in oxygen use is called running […]

Valentine’s Day, Metaphors, and The Best Workout

Happy Valentine’s Day! It’s only fitting to talk about my favorite body part on Valentine’s Day—the heart. From the time we’re teenagers scribbling cartoon hearts on our notebooks, we use the heart as a symbol of love. But it is also the most extraordinary muscle of our body. It is always working, from before we […]

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