Adding planks to your daily routine will give you beautiful abs, a tighter core, stronger lower back muscles, works all 4 muscles in your abs to give you lines and definition, increases upper body strength, and leaves you feeling amazing! Start with 3 sets of 30 seconds each, everyday. Then build your way up to 5 minutes and watch your body change and the fat melt off. Try some variations such as doing leg lifts while in plank positions. Plank jacks, side planks, and hip dips will tighten your abs up in no time as well. Start right now!