Reminds me of trying to get all the little ones together for the annual photo. One is always asleep, one is always looking anywhere but at the camera, one never smiles, one just stares ... and yet it is always the sweetest photo! Say cheese!
Stability Ball L-Raise. Working your back is every bit as important as working your abs. Your back maintains your core strength too! For these: put your heels against a wall and place your lower stomach/hips over the stability ball.