Inguinal arch [Inguinal ligament]

The inguinal ligament, or Inguinal Arch, is a fibrous sheet stretched between the iliac spine and the pubic bone. Located at the level of the groin fold, it forms an arch above the structures that pass from the abdomen to the thigh, such as the external iliac vessels and the termination of the psoas major and iliacus muscles. This arch joins dorsally with the iliac fascia, contributing to the support of the muscular and vascular structures of the sublumbar region.

Budras and Wünsche (1972) substitute a concept of an inguinal arch for the inguinal ligament. Their inguinal arch is composed of lateral, middle, and medial parts, of which the lateral and middle parts often form an inconstant inguinal tract that joins the caudal border of the aponeurosis of the external abdominal oblique muscle and continues on to join the tendon of origin of the pectineus muscle at the prepubic tendon.