Home »
Mobile Tips Spot »
What Is the Sciatic Notch?
What Is the Sciatic Notch?
Alexander Ross••7 min read
The greater sciatic notch is a large notch in the pelvis above the ischial spine. The addition of the sacrospinous ligament
sacrospinous ligament
The sacrospinous ligament (small or anterior sacrosciatic ligament) is a thin, triangular ligament in the human pelvis. The base of the ligament is attached to the outer edge of the sacrum and coccyx, and the tip of the ligament attaches to the spine of the ischium, a bony protuberance on the human pelvis.
converts the notch into the greater sciatic foramen
greater sciatic foramen
Anatomical terminology. The greater sciatic foramen is an opening (foramen) in the posterior human pelvis. It is formed by the sacrotuberous and sacrospinous ligaments. The piriformis muscle passes through the foramen and occupies most of its volume. The greater sciatic foramen is wider in women than in men.
The male sciatic notch tends to be narrow and 'U-shaped' and the female sciatic notch is wider and 'V-shaped'. In some individuals, the sciatic notch may seem intermediate and difficult to assign as male or female. In such cases, it is useful to refer to the 'composite arc'.
What is the sciatic notch simple definition?
a : a relatively large notch just above the ischial spine that is converted into the greater sciatic foramen by the sacrospinous ligament. — called also greater sciatic notch.
Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.
