Transversus Abdominis activation in crook lying

To best achieve six pack abs, you need to understand the basic anatomy of the core muscles. First off, there’s the rectus abdominis, which can be further divided into two regions; the upper and lower abs. Given that they’re innervated by different nerves, each of these two regions can be selectively activated with different abs exercises. Next, there’s the obliques which run down the sides of the abs. Lastly, there’s the serratus anterior situated right on top of the ribs. When it comes to abdom