they have a very odd approach. While the intervals / lactate threshold classes are excellent (and what spinning / turbo is best for), they have this ridiculous theory that working in Zs 2-3 builds endurance, just because they are called the 'aerobic endurance zones', no matter how long you work in there - like even 30-40 mins.Originally Posted by Hanneke
Zoot, no idea how you build endurance over only 50 minutes, but sounds like it counted as a nice recovery spin for you
Which must be bollocks really, unless you're really unfit.
If you do 3 x 40 mins in Z2 over a week it will have virtually zero effect on aerobic conditioning; if you do one 120 min block in Z2, that WILL have an effect.
I mean 40-50 mins at the top end of Z3 will be a workout that will push something - but that's lactate threshold presumably, not for building endurance, I'd've thought?
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