That video from where this is written on youtube seems very out of place compared to all of their other ones. As well, doing “oxidative split squats” doesn’t seem like the most time efficient way to utilize an already fairly high volume method…It seems like they read about the method and just sort of stuck it in without knowing its purpose.
Also, does their explanation even make sense? I know that a higher oxidative potential of a muscle can help eliminate waste products such as hydrogen ions from the muscles (can anyone explain how/why this happens?), but I thought most of the research showed that H+ ions interfered with muscle contractility, not relaxation? And even then, there is conflicting research on that. Even if it did help with muscle relaxation, would the waste products be eliminated fast enough to make any difference in a short sprint?
In the context of sprinting I thought the main value of “relaxation” of the muscles was to relax the muscles NOT being used primarily, so that the active muscles could fire easier or more smoothly, correct?
I would think that there would be more hydrogen ions in the ACTIVE muscles, so if you are trying only to relax antagonists, then getting rid of hydrogen ions in the active muscles wouldn’t really help with the “relaxation phase” like they claim, would it?