My split
Day 1 Back, Biceps, Forearms, 30 minutes cardio postworkout (precontest)
Day 2 Cardio precontest or rest offseason
Day 3 Legs, 30 mins postworkout cardio (pre contest)
Day 4 Cardio precontest, rest offseason
Day 5 Chest, 30 minutes cardio postworkout (precontest)
Day 6 Cardio precontest, rest offseason
Day 7 Deadlifts, Delts, and tris, 30 minutes cardio postworkout (precontest)
Day 8 Rest if needed or repeat
(for larger muscle groups like back legs n chest i do 3-4 movements for smaller like bis n tris i do 2-3, all movements 1 warmup 1 moderate and one balls to the walls set)
im not telling you mike mentzner or dorian yates heavy duty is the way but i think the majority of us overtrain