Hi Anna,
I would have to disagree that making some of the moves lower-impact takes away from the intensity, as it all depends on your fitness level to begin with. Yes, MIC is definitely a high-impact workout, but I have successfully managed to modify most of the moves to lower-impact and still gotten a really good, heart-thumping workout. Bear in mind, doing Cathe workouts at lower impact can be alot harder than doing most other instructors high-impact!! This is because Cathe tends to use a very fast tempo and keeps the various aerobic movements moving along at a good pace (not alot of repetition).
There are some high-impact moves that I can manage and there are some that I have to modify, simply because they are too much on my knees or back (or sometimes it's because the moves are so quick, my body and boobs start moving in opposite directions, which can be uncomfortable for me and downright dangerous for anyone else in the close vicinity!!!). However, modifying where needed has been the case for me with all Cathe's workouts, and I can honestly say, even making these "modification allowances", I am fitter, stronger and have more endurance than ever before!
I haven't done MIC for a while, but I always split it up, doing either the hi/lo or step followed by either upper or lower body strength work. This has worked well for me.
Hope this helps!
Kaz.
Today Is The Tomorrow We Worried About Yesterday And All Is Well.