What is anterior inferior iliac spine?
The anterior inferior iliac spine (AIIS) is bony prominence on the anterior border of the ilium forming the superior border of the acetabulum. Attachments include the Iliacus, origin of straight head of the rectus femoris, and also the proximal ileofemoral ligament (Y-ligament or ligament of Bigelow).
What is anterior inferior iliac spine avulsion fracture?
An anterior inferior iliac spine (AIIS) avulsion is an apophyseal avulsion injury seen in adolescent athletes as a result of eccentric contraction of the rectus femoris.
What muscles are attached to the anterior inferior iliac spine?
The rectus femoris muscle of the quadriceps group of thigh muscles attaches to the anterior inferior iliac spine, as well as the iliofemoral ligament. Learn more about the anatomy of the pelvic bones in this anatomy tutorial.
What causes pain in anterior superior iliac spine?
Some of the possible causes of iliac crest pain include: iliolumbar ligament inflammation. muscles used in movement are weak, including hip flexors, abdominal muscles, low back muscles, and other core muscles. iliotibial band weakness or injury.
What attaches to anterior superior iliac spine?
The anterior superior iliac spine refers to the anterior extremity of the iliac crest of the pelvis. This is a key surface landmark, and easily palpated. It provides attachment for the inguinal ligament, the sartorius muscle, and the tensor fasciae latae muscle.
What does anterior superior iliac spine mean in medical terms?
The anterior superior iliac spine (abbreviated: ASIS) is a bony projection of the iliac bone, and an important landmark of surface anatomy. It refers to the anterior extremity of the iliac crest of the pelvis. It provides attachment for the inguinal ligament, and the sartorius muscle.
What muscles attach to the anterior iliac crest?
Many important abdominal and core muscles are attached to the iliac crest, including the hip flexors, the internal and external abdominal oblique muscles, the erector spinae muscles, the latissimus dorsi, the transversus abdominis, and the tensor fasciae latae.
