Each workout includes a weight section and a cardio section.  Each section is approximately 30 minutes, so the total workout is an hour. 
The weight work is heavy lifting. 
 
Disc A:
   Workout #1 High Intensity Step Aerobics Plus HEAVY WEIGHTS Chest/Back 
   Workout #2 Low Impact Step  PLUS HEAVY WEIGHTS Shoulders and core
 
Disc B:
   Workout # 3 Cardio Kickbox Plus HEAVY WEIGHTS Legs and Core 
   Workout # 4 Boot Camp Cardio PLUS HEAVY WEIGHTS BI's and TRI's