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If every trainer read Kenneth Jay's book, we would all be better equipped to help people improve their VO2 max and actually get fit.

Something to note here is the definition of fitness for most textbooks - VO2 max. Lifting heavy weights quickly doesn’t improve it.

Scientists wanted to know how different nutrients affect HDL levels. The highest performers may come as a surprise.

This is a great flow if your workout includes kipping pull ups, overhead squats, cleans, or push presses.

The fourth chakra, anahata, is all heart. It is all about you. Writing your future - your way.

I’m a big believer in doing what we are born to do. Some people are built to be really strong, or fast, or go for long periods of time. But we are all built to run.

From a technical standpoint, the Rocky movies are some of the worst fight movies out there. But there are some amazing takeaways. Here are the five biggest lessons I learned from Rocky.