Probably a dumb question, but are the "work sets" (i.e. incorporating deadlifts) the sets you do after warm ups? Also, when they say 3-5 sets of 5 reps (Operator), do those include warm ups? For example, set 1=40%, set 2= ~60%, sets 3-5=70-95% ?

I'm about ready to start Operator after reading the 3rd edition. Maybe I missed or glossed over in the book, but is there anything that talks about technique with any of the lifts? I'm particularly looking to see if I need to do deep back squat or just hit 90 degrees (got pretty bad knees). Thanks i...