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The posterior sacroiliac ligament is situated in a deep depression between the sacrum and ilium behind; it is strong and forms the chief bond of union between the bones. It consists of numerous fasciculi , which pass between the bones in various directions.
Vaginal prolapse or uterine prolapse may occur in women when other pelvic ligaments and supportive structures are weakened. One treatment is sacrospinous fixation.In this surgery, the apex of the vagina is sutured to the sacrospinous ligament, which may offer a sturdier support than weakened pelvic ligaments, ideally preventing further prolapse.
Sacrospinous ligament; The anterior ligament is not much of a ligament at all and in most cases is just a slight thickening of the anterior joint capsule. The anterior ligament is thin and not as well defined as the posterior sacroiliac ligaments. The posterior sacroiliac (SI) ligaments can be further divided into short (intrinsic) and long ...
The lowest fibres of gluteus maximus are attached to the posterior surface of the ligament; superficial fibres of the lower part of the ligament continue into the tendon of biceps femoris. The ligament is pierced by the coccygeal branches of the inferior gluteal artery, the perforating cutaneous nerve and filaments of the coccygeal plexus. [2]
Sacrospinous colpopexy (sacrospinous ligament fixation), which is a procedure used to surgically correct recurrent vaginal vault prolapse. The procedure involves placement of sutures between the vagina and the sacrospinous ligament. Incorrect placement may compress the pudendal nerve and lead to pain in the perineum and buttock region. [46]
The deep dorsal sacrococcygeal ligament (ligamentum sacrococcygeum posterius profundum) is a continuation of the posterior longitudinal ligament. [1] A flat band arising inside the sacral canal, posteriorly at the orifice of the fifth sacral segment, it descends to the dorsal surface of the coccyx under its longer fellow described below. [3]
Common causes of PCL injuries are direct blows to the flexed knee, such as the knee hitting the dashboard in a car accident or falling hard on the knee, both instances displacing the tibia posterior to the femur. [1] Surgery to repair the posterior cruciate ligament is controversial due to its placement and technical difficulty. [2]
The sacrospinous ligament changes this notch into an opening, the greater sciatic foramen. The notch holds the piriformis , the superior gluteal vein and artery , and the superior gluteal nerve ; the inferior gluteal vein and artery and the inferior gluteal nerve ; the sciatic and posterior femoral cutaneous nerves ; the internal pudendal ...