Sciatic bursa of obturator internus
Bursa ischiadica obturatoris interni
- Latin synonym: Bursa ischiadica musculi obturatorii interni
- Synonym: Isciatic bursa of obturator internus; Sciatic bursa of obturator internus muscle
Definition
The obturator internus bursa is situated between the tendon of the obturator internus muscle and the cartilage covered posterior grooved surface of the ischium, with a "boomerang" shape in transverse plane. This bursa serves to reduce friction between the obturator internus tendon and the adjacent bony structures during hip movement
References
1.MR Imaging Features of Obturator Internus Bursa of the Hip.Hwang JY, Lee SW, Kim JO.Korean Journal of Radiology. 2008 Jul-Aug;9(4):375-8. doi:10.3348/kjr.2008.9.4.375.
