A strong core reduces the likelihood of lower back and hamstring problems, helps in day-to-day activities like lifting a toddler, and in yoga class it "will help you maintain your balance for longer periods of time and help you get in and out of the moves more easily". The trick is targeting all of the crucial muscles around your middle. The core is made up of around 30 muscles that connect your legs to your hips, spine, and rib cage and keep your torso stable. The mover and shakers include the obliques, the "side" muscles that rotate your torso; the rectus abdominis (RA), the contours of which form the famously drool-worthy "six-pack" and whose main function is to flex the trunk; the deep transverse abdominis (TVA) that acts like a corset around your midsection; as well as the stabilizing muscles of the hip and lower back. By following the yoga poses in this application you can get astounding Abs.