Once people are past the beginning phase of gaining some initial ab strength, I try to get them away from the exercises that are too easy, where someone can do 50 or 100 reps, as is frequently common with standard crunches. (truthaboutabs.com)
An effective standard crunch variation that shifts focus to the obliques and targets the love handles. (ahealthblog.com)
Upper Body Workout standard crunch 4 set rep 25 Oblique crunch 2 each side set rep 25 hammer curl 2 set rep 25 dumbbell press set 2 rep 25 15 push ups standing... (build-muscle-and-burn-fat.com)