Many have used the Buffalo Protocol. It helps with increasing exertion levels.

When you say fatigue, what kind of fatigue do you mean ? What are your symptoms ?

You don't need the ear plugs for the whole time. Just long enough to sense if you have a hard foot plant. You want your foot plant to not rattle you brain. Many don't realize how hard their foot plant is. Walking with more toe in the foot plant can soften it. Or, just a better shoe.....

The stress to the upper neck from a hard foot plant can be inflammatory.