Cathe's STS Mesocycle 3 Strength is as its name implies about Strength. It is a 4 week program and it consist of two upper body workouts and one lower body workout per week for a total of 12 workouts. All 12 workouts come together in a DVD case that in my opinion isn't very durable. Inside the case are clear plastic holders and more than half of the plastic is cracked. However the DVD themselves are just fine. I do like the case better than some of the other workout system cases that come with multiple DVDs. The suggested rotation has you doing 3 workouts per week. The 12 workouts break down as follows. Disc 25, 28, 31, & 34 are Chest & Back workouts Disc 26, 29, 32, & 35 are Plyo Legs workouts Disc 27, 30, 33, & 36 are Shoulders, Biceps, & Triceps workouts With the exception of the Plyo Leg workouts, the exercises are the same for each week and only the rep count changes. In the Plyo workouts you are alternating plyometrics (lots of jumping) with...