what are your stats? what are your goals? we can't give you useful advice otherwise.

i really don't think it is necessary to train your abs if your doing all the correct bread and butter lifts. i would train my abs to get some acute definition before a show or something.

forearms are another unnecessary body part to train. your grip should be thoroughly fatigued if your doing your lifts right.

what works for cutler is not going to work for everybody.