So I started reading this because of another post and am intrigued. I always thought I wasn't resting enough and it might be counterproductive as well as possibly not eating right/enough. However, I usually exercise for stress relief as well as just loving Cathe's workouts. Is it possible to incorporate the Power of 10 into a 4-5 day workout routine (instead of 6-7)? Do I just do that and some HIIT workouts? I do love Cathe's weight training though! Help!
From the book, it's really not something you combine with anything, if you follow it.
If you modify though you can use the same technique, and do something like Cathe's Slow & Heavy. For slow lifting, whether or not you're going to full failure, combining that with workouts like kickboxing or step is a good fit, IMO.
I did a rotation of Slow & Heavy with Low Max - Rhythmic Step, Imax 2 & Step Max, alternating days, lifting, stepping.
For variety, you could use a kick boxing workout, I think the emphasis I would put on it is not Hiit, but speed instead (I always think of kickbox as more speed type workouts). With step you also have a different, focus, which could be speed or coordination with Cathe's more choreographed step workouts. I'd like to see Cathe do something circuit-like combining KBX & Step sometime, like the Body blast days.
The reason I wouldn't have Hiit (in the over the top way), as in basic movements at high intensity, is that with the slow heavy lifting, to failure or almost failure you're already stressing the muscles to exhaustion, the cardio Kickboxing or step gives them a break, and puts the mind to work instead, people so underestimate the benefits of low intensity cardio, like active recovery, balance, ROM, & endurance.
Even low intensity Kicboxing can be challenging used with heavier lifting if you have to stick with the beat, and follow the moves. I like some of Cathe's latest like Rockout Knockout & Party Rockin' Step 1 & 2 fit the bill nicely. Or something from 4DS?
Maybe desertambrosia can share her rotation with us?