Hi @Clement32000 ! Thanks for the heads up about that video. Interesting to give it a listen.
When they are talking about ‘Metabolic training’ they are referring to improving fat utilization and lactate clearance. Or, as it is referred to in layman’s terms, ‘training’. When you’re a coach it’s hard to differentiate yourself…so sometimes you need some jargon to act as a ‘hook’ that grabs an athlete’s attention & focuses it on some type of work that is really just the same old thing that cyclists have been doing for decades.
‘Metabolic training’ means ‘training’. That’s all. Specifically they were talking about tempo work with the intent of improving the use of lactate as a fuel. As we have discussed on this forum many times in the past there are many different ways to upregulate lactate transport in the body. For more on that you can see my post about superfluous over/unders:
For those that are interested in the Wakefield video, here is where they talk about tempo work: