which muscle of the abdominal region inserts at the linea alba and pubis
Linea alba (abdomen) It is formed by the fusion of the aponeuroses of the abdominal muscles, and it separates the left and right rectus abdominis muscles. In muscular individuals its presence can be seen on the skin, forming the depression between the left and right halves of a "six pack".
Flank (anatomy) The flank or latus is the side of the body between the rib cage and the iliac bone of the hip (below the rib cage and above the ilium).[1]