Hi Lori!
I do both cardio and weights.
When weight-training, I like to separate upper and lower body. I dislike full body workouts because when my legs are tired, my whole body is tired. Tapes like PowerHour are my nemesis since they are both full body and endurance. Endurance (more than 16 reps) is really hard on my joints and hands and in my opinion, do me more damage than good. Turning 50 in October doesn't help.
I usually work out twice per day. Mornings Cathe, noons at the gym. (Gotta have something to do on my lunch-hour!)
I work on my upper body parts (arms) twice per week. One full upper with Cathe (MIS, PS, Pyamids) on Monday morning before work. A 45-minute step class at my gym at noon. Tuesday mornings, cardio or circuit with Cathe, legs at the gym (I prefer leg machines to free weights plus the gym features a great squat rack that's attached to a rail so I don't have to lift a heavy BB over my head to do heavy lifting). Wednesday mornings, either Cathe cardio/circuit or take the morning off and do chest and back at the gym (mostly machines). Thursday morning Cathe cardio or circuit and then legs again at the gym. Friday morning cardio or weights. If I do weights it's shoulders, bi's and tri's. Then I take the 45-minute step class at gym at noon. If I don't do weights in the mornings with Cathe, I do her cardio and do free weights at my old gym. (I hate the type of free weights at my new gym and I don't like using weight machines for shoulders, tri's and bi's). I go to my old gym for free weights.
I thoroughly believe that weight-training is the best way to make significant changes to your body. My upper body (arms, shoulders) are now pure muscle and I love it! My lower body will never be what I want it to be no matter how much I work at it -- that pesky thing call "genetics" -- but my legs are very strong. Which helps me with the cardio.
Gotta run to catch my streetcar! Have a nice evening!
Patrica from Toronto, Ontario