I'm just starting a 6 week program with you PS series. I am a new group fitness instructor (since January) teaching once a day: Tues, Step 2 & Sculpt; Wed, Mixed Cardio 1; Thurs, Boot Camp Cardio; Fri, Step 1 & Sculpt. All classes use Exertubes or 1-3# weights.
My question is, what is your...