![Ischial Tuberosity](https://cdn.3d4medical.com/complete_anatomy-userdata/video-sticky/4f/538f7e462e.webp?fm=webp&w=738&q=75)
Description
The ischial tuberosity is the large, rounded, rough elevation on the dorsal surface of body of ischium. It provides the origin sites for multiple muscles, including the:
—hamstring muscles (i.e., semitendinosus, semimembranosus and long head of biceps femoris muscles);
—ischiocondylar part (hamstring part) of adductor magnus muscle;
—quadratus femoris muscle;
—inferior gemellus muscle.
The ischial tuberosity also provides an attachment site for the sacrotuberous ligament and is the structure that supports the body when sitting.
Related parts of the anatomy
![Complete Anatomy](/images/ca-banner.webp?fm=webp&w=230&q=75)