swiss ball crunches and decline situps

[Bronzeskin]

Are swiss ball crunches and decline situps good for adding size to the abdominal muscles?

 

[kenwood]

yes...i'd do decline sit-ups and leg/knee raises and add some resistance ...put like a 10 or 25lb plate on ur chest

 

[The13ig13adWolf]

try hanging leg raises and kneeling rope pulldowns.

 

[BulkMeUp]

try Leighted leg raises as well for a variation