Joints and Ligaments of the Abdomen

Joint or ligament	Description	Notes
Joints and Ligaments of the Abdomen - Listed Alphabetically
inguinal ligament see image	is a band running from the pubic tubercle to the anterior superior iliac spine.	The inguinal ligament is the lower border of the aponeurosis of the Obliquus externus, and extends from the anterior superior iliac spine to the pubic tubercle. From this latter point it is reflected backward and lateralward to be attached to the pectineal line for about 1.25 cm., forming the lacunar ligament. Its general direction is convex downward toward the thigh, where it is continuous with the fascia lata. Its lateral half is rounded, and oblique in direction; its medial half gradually widens at its attachment to the pubis, is more horizontal in direction, and lies beneath the spermatic cord.
lacunar ligament see image	an extension of the medial end of the inguinal ligament which connects the pubic tubercle with the pecten of the pubis.	Is also know as Gimbernat�s ligament; it is that part of the aponeurosis of the Obliquus externus which is reflected backward and lateralward, and is attached to the pectineal line. It is about 1.25 cm. long, larger in the male than in the female, almost horizontal in direction in the erect posture, and of a triangular form with the base directed lateralward. Its base is concave, thin, and sharp, and forms the medial boundary of the femoral ring. Its apex corresponds to the pubic tubercle. Its posterior margin is attached to the pectineal line, and is continuous with the pectineal fascia. Its anterior margin is attached to the inguinal ligament. Its surfaces are directed upward and downward. The lacunar ligament is the only boundary of the femoral canal that can be cut to release a femoral hernia.
pectineal ligament see image	a thickening of fascia on the pecten of the pubis.	The pectineal ligament (sometimes known as the inguinal ligament of Cooper, after Astley Cooper) is an extension of the lacunar ligament that runs on the pectineal line of the pubic bone. (note: Cooper's ligaments are also found in the breast)

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