Tools Intensity Level
Intensity
Foundation
Intermediate
Advanced
Choosing the Right Workout Intensity Level
Foundation
You will need to determine your intensity levels to correspond with your abilities and weight lifting routine.
   
If you have not exercised for quite some time
For the first 4 weeks of the program use resistance
that provides a level 3-5 exertion on a scale of 1 to 10. Focus on properly executing the exercises.
For the weeks 5-8 of the program use resistance
  that provides a level 5-7 exertion on a scale of 1 to 10.
For the weeks 9-12 of the program use resistance
  that provides a level 7-9 exertion on a scale of 1 to 10.
   
If you've been exercising recently
For the first 4 weeks of the program use resistance
that provides a level 5-7 exertion on a scale of 1 to 10.
For the weeks 5-12 of the program use resistance
  that provides a level 7-9 exertion on a scale of 1 to 10.
   
For Cardio Exercises
For cardio exercises you should be able to answer short
  "yes" or "no" questions, but not be able to have a lengthy conversation.