If you want pancake-flat, carved-up lower abs and a razor-sharp V-cut, consider The Lower Abs Trifecta your little secret weapon. Comprised of 3 different ab exercises back-to-back, it'll absolutely demolish your lower abs and leave you sore for days. That's exactly what we want -- hyperaccelerated growth.
Do this routine before every shower: 50 jumping jacks, 5 pushups, 20 crunches, 20 mountain climbers, and 30 second plank. I like the idea of doing it before every shower, then it is easier to become part of a routine
Rear Raiser: Works: Butt, Lower Back, Abs, Hamstrings Start in a plank with forearms on ball, hands clasped. Slowly lift right leg as high as you can (as shown). Lower leg, then repeat on opposite side for 1 rep. Do 12 reps. Source: Larsen & Talbert