What Is The 80-20 Intensity Balance Rule & Can It Improve Your Endurance?
I’ve been around the sport of CrossFit for a little over 10 years now. I can remember back to a time when anything but high-intensity, train-to-the-point of-near-death type workouts were the end all be all of training. Easy workouts like long Zone 2 runs were mocked as anti-fitness. I even remember a few posts that […]
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