Okay, I did do High Reps this morning so here are my first thoughts about it:
1. It took me 70 minutes because I had to keep stopping to have enough time to set up for the next exercise. I think this is going to be the case, even if I get familiar with the workout.
2. I did NOT follow the warm up but did mine free style. The warm up was done with weights and I just don't care for that.
3. The workout itself is very reminiscent of PH in its style.
4. If you're not busy setting up (although how that would happen I don't know), there are subtitles like there were in STS telling you exercise, equipment needed, and in the case of dumbbells, poundage used. I didn't even realize it until nearly the end when I was rewinding, yet again, to catch up. I think she primarily used 5s, 10s and 12s but don't quote me since I missed most of it

. As far as I know, she did not ever mention her barbell poundage.
5. The tempo changes were much more varied than in LBB, which was really nice, IMHO. Of course, there were the ubiquitous low ends, singles, etc - but a lot more variety in different counts for other reps (like 2/2, 3/1, 1/3, etc). On some of the excises, I did not do the singles - it just felt too herky-jerky to me. I was glad they could sling their weights that quickly, but I just couldn't. Slower reps work just fine by me

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6. It may seem you're way too light on weights on some things but since she does ratchet up the tempo. I stayed light to avoid injury. The write-up on the back says light-to-medium poundage should be used. She mentions using heavy poundage on some things - but I just couldn't do it at her pace.
7. The chapter menu goes through each body part w/ the corresponding exercises so it was nice to get that written down before I began so I wasn't stopping to have to do that, too.
8. I will admit I hit failure on the triceps but that was the only one. I especially felt the chest was underworked. I only did the 1st round of pushups (at a slower tempo, of course) then did the flies. But for the 2nd round of pushups, I did my own rep/set pattern of presses which felt much more like they were doing something than those pushups did.
9. Don't know how I'll feel tomorrow but I do know that I must say I will be glad when I've gotten the last one of this series done so I can get back into my slower, heavier wt work

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Oh - I looked at the exercise card for STS Total Body and it looks like a lot of dead lifts and squats to me

. I didn't really peruse the upper body exercises that closely but I could tell between today's workout and looking at that one, I'll definitely need to add some serious upper body on this week for my 3rd weight day...