ischial tuberosity


is·chi·al tu·ber·os·i·ty

[TA] the rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles. Synonym(s): tuber ischiadicum [TA], tuber of ischium

is·chi·al tu·ber·os·i·ty

(is'kē-ăl tū'bĕr-os'i-tē) [TA] Landmark at the inferior aspect of the ischium: origin of the hamstring muscles.