@kendraw I do the Arnold split but not with the same volume. You need to decrease the volume.
My version of the Arnold split is:
Day 1: Chest (8-10 sets) and back(8-10)
Day 2: Quads(6-8 sets) , hamstrings(6-8 sets), calves 4 sets and abs 4 sets
Day 3: shoulders(9 sets), triceps(6 sets), biceps(6...