There's a lot of different moves you could do for abs in the water. The good thing about water aerobics you could make all different parts of your body every part. The way you would work your side abs in the water aerobics is you could it a couple of different ways, one way is to put your arm in the air you can put it outside of the water, pull your knee up while you crunch your side okay. This is good also for balance so right now you are working your obliques make sure you crunch, crunch and if you use your breath, breath in and out it's gonna like a little bit more you are gonna feel a little bit more. So this is one exercise you do for side abs, I would do about twelve repetitions on one side and switch to the other side for twelve and I would that three times. So three sets of twelve each. Another exercise you can do for side abs is you could hold your waist and you could go side to side. Okay you gonna feel this a little bit higher than the one that we just in, make sure you breath in except to make it little harder you can put your hands here, to make it even harder you can it above your head. And to side to side... so that is side abs, side abs is really good just to tone this part of your stomach. It's really good did you, to make sure you work out this part because it strengthens your cone you are able to do a lot more when you are exercising in the water and out of the water. So it's really good to do those exercises to strengthen your cone.