Part of the posterior border of the body of the ischium bone of the pelvis
Ischial spine Capsule of
hip-joint (distended). Posterior aspect. (Spine of ischium labeled at upper left.)
Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. (Spine of ischium labeled at center left.)
Details Identifiers Latin spina ischiadica spina ischiaca spina ischialis TA98 A02.5.01.205 TA2 1343 FMA 17028 Anatomical terms of bone
Theischial spine is part of the posterior border of the body of theischium bone of thepelvis . It is a thin and pointed triangular eminence, more or less elongated in different subjects.
Thepudendal nerve travels close to the ischial spine.[ 3]
Clinical significance [ edit ] The ischial spine can serve as a landmark inpudendal anesthesia , as thepudendal nerve lies close to the ischial spine.[ 3] [ 4]
Right hip bone, external surface, showing the greater and lesser sciatic notches, separated by the ischial spine
Articulations of pelvis. Anterior view.
Pelvis. Anterior view.
Animation showing the ischial spine (highlighted in red)
This article incorporates text in thepublic domain frompage 235 of the 20th edition of Gray's Anatomy (1918)
^ Chaitow, Leon; DeLany, Judith (2011-01-01), Chaitow, Leon; DeLany, Judith (eds.),"Chapter 12 - The hip" ,Clinical Application of Neuromuscular Techniques, Volume 2 (Second Edition) , Oxford: Churchill Livingstone, pp. 391– 445,doi :10.1016/b978-0-443-06815-7.00012-7 ,ISBN 978-0-443-06815-7 , retrieved2021-02-19 ^ Bharucha, ADIL E.; Klingele, CHRISTOPHER J. (2005-01-01), Dyck, Peter J.; Thomas, P. K. (eds.),"Chapter 13 - Autonomic and Somatic Systems to the Anorectum and Pelvic Floor" ,Peripheral Neuropathy (Fourth Edition) , Philadelphia: W.B. Saunders, pp. 279– 298,doi :10.1016/b978-0-7216-9491-7.50016-8 ,ISBN 978-0-7216-9491-7 , retrieved2021-02-19 ^a b Christo, Paul J.; Hobelmann, Greg (2009-01-01), Smith, HOWARD S. (ed.),"Chapter 29 - PELVIC PAIN" ,Current Therapy in Pain , Philadelphia: W.B. Saunders, pp. 216– 227,doi :10.1016/b978-1-4160-4836-7.00029-8 ,ISBN 978-1-4160-4836-7 , retrieved2021-02-19 ^ "Clinical Case - Perineum & External Genitalia" . Archived fromthe original on 2011-07-17. Retrieved2009-05-27 .
General Ilium
Ischium
body superior ramus inferior ramus
Pubis body superior ramus inferior ramus Compound