Workout routines are what exercises, how many sets, how many reps etc. that you do for each muscle. For example, 3 sets of the flat bench press, 3 sets on the incline bench press, and 2 sets of flat bench dumbell flyes is an example of one of the many chest weightlifting workout routines. A workout split is a term given to how you split up your workout.

morning: 65 minutes