A young athlete after rigorous training and strict diet control develops 'washboard stomach'. Which of the following structure mark its lateral border ?
* "Washboard stomach" refers to very strong,well-definedabdominalmuscles. * Its lateral border is marked by linea semilunaris which is a curved line along the lateral border of the rectus abdominis. * Linea semicircularis (Arcuate line) defines the lower limit of the posterior layer of the rectus sheath * Linea alba is a tendinous median raphe between the two rectus abdominis muscles. * The falx inguinalis (conjoint tendon) is formed by aponeuroses of the internal oblique and transverse abdominal muscles
Embryology and abdominal wall layer
Linea alba
Linea semilunaris
Linea semicircularis
Transversalis fascia
Linea semilunaris