I do 3 days on and 1 day off.
Day 1-Chest and Back:Flat bench, Incline, Decline, Deadlifts, Lat Pulldowns...
Day 2-Arms and Shoulders:Curls, Cable work, Weighted Dips, Shrugs, Overhead Press...
Day 3-Lowerbody/Legs:Squats, Leg Press, Calf Raises...
Day 4-Off
Repeat