…for suprathreshold efforts.
I just switched from erg to standard for my 3-min vo2 max repeats and it was way, way, way way, way easier.
I don’t think this is the case with all athletes, but for people like me who have yet to really dial in the ability to precisely sustain a given cadence without thinking about it too much, switching from erg to standard/resistance mode for suprathreshold work could be really beneficial.
I think what’s happening in ERG mode is is that my concentration flags, my cadence drops, then I get into a miniature death spiral. In order to escape the death spiral, I have to do a brief spike in wattage. If this happens repeatedly (and for me it does), those little efforts really add up, and you’re on a one-way train to bonksville.
If anyone else is finding their build phase to be obscenely difficult (rather than just…very difficult), I’d suggest giving this a try before concluding that your FTP is set too high.
I’d be interested to hear other peoples’ thoughts. I really think that the perceived difficulty of the build phase may have a lot to do with cadence fluctuation above threshold.