31 Dec '13, 1pm

Interesting post by @stevemagness on why Crossfit works about as well as any new high-intensity workout:

If we just realize how adaptation occurs in a simple system it is easy to understand why. In a clean slate, anything we give works and improves performance. Similarly, if we give a completely different stimulus, we often see a brief improvement. We often see this when someone changes coaches and sees an initial spike in performance. For instance, there are a few instances where someone did relatively high mileage for a while, stalled out, then switched coaches to a higher intensity lower mileage program and saw some nice gains the first season, before falling back to normal.

Full article: http://www.scienceofrunning.com/2013/12/why-crossfit-work...

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