October 25, 2014. Ranking the greatest battleships of all time is a tad easier than ranking naval battles. Both involve comparing apples with oranges. But at least taking the measure of individual men-of-war involves comparing one apple with one orange.
This lumpy appearance results in the rectus abdominis muscles being referred to as the âsix-pack.â. The name rectus abdominis comes from the Latin words for âstraightâ and âabdominal,â indicating that its fibers run in a straight vertical line through the abdominal region of the body.... Click to read more below.
In Depth: Muscles. The rectus abdominis is the large muscle in the mid-section of the abdomen. It enables the tilt of the pelvis and the curvature of the lower spine.Next to it on both sides of the body is the internal oblique.t stretches from the front of the abdomen to the back of the torso. The external oblique muscles run diagonally down and in from the lower ribs to the pelvis. They allow you to bend sideways and rotate your torso. Another important group of muscles related to posture is the erector spinae.