Anatom3DSacrotuberous ligament
Ligamentum sacrotuberale · Křížohrbolový vaz
Joints & cartilage
Looks like
A long strong band from the back of the sacrum and ilium to the sitting bone (ischial tuberosity).
What it does
Stops the sacrum tipping forward under body weight and gives attachment to the gluteus maximus and hamstring.
Keeping it well
The pudendal nerve can be compressed near it, causing burning pain in the perineum on sitting.
Related conditions
- Axial spondyloarthritis
- Bone metastases and spinal cord compression
- Brucellosis
- Developmental dysplasia of the hip
- Gout
- Haemophilia & bleeding disorders
- Lyme disease
- Marfan syndrome & connective tissue disorders
- Obstructed labour and obstetric fistula
- Osteoarthritis
- Psoriatic arthritis
- Reactive arthritis
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Systemic lupus erythematosus
- Temporomandibular joint disorder