Cathe Friedrich's Rhythmic Step + Interval Max & MIC DVD This DVD contains three cardio workouts, including Cathes Rhythmic Step, Interval Max and Maximum Intensity Cardio on one DVD. As with all of our DVDs, you can easily program your DVD player to choose only the sections of each workout that you want to do [Time breakdown located below under "product description] Rhythmic Step is a refreshingly advanced, all-step workout, is loaded with interesting and unique choreography that will keep you motivated from start to finish. Interval Max: No tricky choreography in this video. Just all-out-intense intervals. IntervalMax is a 60 minute tape based on the interval training concept. Maximum Intensity Cardio is a 70 minute advanced aerobic/step workout with the emphasis on aerobics and endurance. The first half of this video will challenge your cardiovascular system with a super charged high/low impact routine. The intensity of the hi/low starts out with moderate moves that rapidly get more intense.