Originally Posted by Mark E. Wallace
Yeah, that's the right prescribed sub.
And, yeah, I've done it, and I think it's too much. 100 SDHP feels much more strenuous to me than a 1K row.
Agreed. When you get up to subbing for 1k rows, it's ridiculous.
For 250m & 500m row subs, though, I think it's a pretty good sub.