But never the less it was used and the workouts would spill over to the following week. Great results were made like this but in bodybuilding most are always looking for new ways to attack a muscle.
This is where supersets came in. For example you could work opposing muscle groups such as chest with back. Lets say Bench Press superset with Chins, for 3 sets, then Incline press superset with Seated Lat Pulls, following up with Dumbbell Flys superset with One Dumbbell pull over on the bench.