> they really only confirm many other studies which found that HIT (High intensity training, what is discussed in the article) training achieves the same effect

> they really only confirm many other studies which found that HIT (High intensity training, what is discussed in the article) training achieves the same effects as much longer endurance training at much shorter times. Show me 1 conventionally conceived of "endurance athlete" amateur mid of the pack or professional who has adapted this? Marathon, Iron man etc. Just 1. I'd love to see if anyone got a result in a marathon etc that was like a pb or close to a pb this way. I highly doubt.