How do I work on stomach muscles without doing situps

SurfersDream

I need some advice on how to work on building up my stomach muscles but can't do situps or similar due to having a back injury. Any advice?

b0t23

do core exercises

http://www.livestrong.com/article/21649-ab-exercises-lower-back-injury/

yarwell

I need some advice on how to work on building up my stomach muscles but can't do situps or similar due to having a back injury. Any advice?

http://www.marksdailyapple.com/high-fat-diet-no-cardio-washboard-abs

" the Laplace in Place maneuver, a standing abdominal exercise that is meant to strengthen the infrastructure in the abdominal wall. (Standing or sitting tall, inhale fully, filling your lungs to capacity. As you exhale, suck in as hard as you can. Try to hold the position for at least 10 seconds, building up to 30 to 60 seconds. Exhale fully. Work up to eight repetitions every day.) "