Originally Posted by
Stucky
Yes, but you know what? Any "up power" you're generating on the upstroke is likely be neutralized by taking that same amount of power away from the downstroke on the other side. In other words, it's a ero net-sum "gain". In fact, you might even be losing something in the mix, because I've seen studies (probably posted on this forum- where else?

) which say that pulling on the upstroke is very power-inefficient.
Correct when you're talking about aerobic power levels where the limiter is the cardio-vascular system and the ability to transport O2 to where it's needed. Incorrect when you're talking about anaerobic, high power efforts where leg strength can be a limiter.