Yes but do not do more than you have to. There is no point to it. Many patients have the mistaken belief that strengthening the abdomen will prevent hernias. This is not true. Excessive abdominal crunches aggravate hernias and stress a repair. Abdominal crunches will not get rid of a gut. That is a matter of weight loss. Abdominal crunches will make a diastasis recti worse.