Before you pencil in a time slot on your calendar, realize that is a very intense program. (muscle-fitness-training.com)
If this program is too much, start out with a less intense program and work your way up. (rachaelattard.com)
You need to know that this is a really intense program that is not meant for absolute beginners or the ones that can't tolerate hard and intense workout sessions. (fitnessandpower.com)