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
[edit on Wikidata]
The ischial spine is part of the posterior border of the body of the ischium bone of the pelvis. It is a thin and pointed triangular eminence, more or less elongated in different subjects.
to the ischialspine. The ischialspine can serve as a landmark in pudendal anesthesia, as the pudendal nerve lies close to the ischialspine. Right hip...
iliac spine, and posterior superior iliac spineIschialspine, part of the posterior border of the body of the ischium bone of the pelvis Mental spine, on...
subjects, the ischialspine, origin of the gemellus superior muscle. Above the spine is a large notch, the greater sciatic notch; Below the spine is a smaller...
and the coccygeus muscle. These arise between the symphysis and the ischialspine and converge on the coccyx and the anococcygeal ligament which spans...
between the sacrum and the ischial tuberosity and the sacrospinous ligament which runs between the sacrum and the ischialspine. The lesser sciatic foramen...
needle may be placed adjacent to the pudendal neurovascular bundle. The ischialspine, an easily identifiable structure on CT, is used as the level of injection...
Below the ischialspine is a small notch, the lesser sciatic notch; it is smooth, coated in the recent state with cartilage, the surface of which presents...
ligament to the ischialspine of the pelvic bone. The transvaginal approach is used for obstetric and gynecological procedures. The ischialspines are identified...
ligament and part of the spine and sacrum. The superior gemellus muscle arises from the outer surface of the ischialspine The obturator internus muscle...
sacrotuberous ligament as a potential cause of PNE. Around the ischial level of the spine, pudendal nerve runs between the sacrotuberous ligament and the...
human pelvis. It lies between the posterior inferior iliac spine (above), and the ischialspine (below). The sacrospinous ligament changes this notch into...
behind the sacrospinous ligament directly medially and inferiorly to the ischialspine. The inferior gluteal artery, from a branch of the internal iliac artery...
the greater sciatic notch Inferior: proximal origin of hamstrings at the ischial tuberosity The hip has five external rotators: The piriformis, superior...
the internal pudendal artery. The point where the nerve circles the ischialspine is the location where a pudendal block of local anesthetic can be administered...
sacrotuberous ligament. inferiorly by the sacrospinous ligament and the ischialspine. superiorly by the anterior sacroiliac ligament. The piriformis, which...
of the fetal head in relation to the pelvic bones, specifically the ischialspines. The Bishop score grades patients who would be most likely to achieve...
trochanter Nerve to the piriformis (S1-S2) Gemellus superior muscle Ischialspine Upper edge of Obturator internus muscle tendon (indirectly greater trochanter)...
"The enigmatic subcostal muscle: Anatomical study with application to spine and chest pain syndromes and avoidance of confusion on imaging: Morphology...
plane of muscular and tendinous fibers. It arises by its apex from the spine of the ischium and sacrospinous ligament. It is inserted by its base into...
slightly less transverse) inlet. Android: triangular inlet, and prominent ischialspines, more angulated pubic arch. Anthropoid: the widest transverse diameter...
gemellus muscle that arises from the outer (gluteal) surface of the ischialspine, and blends with the upper part of the tendon of the internal obturator...
fetal presenting part to the level of the ischialspines. When the presenting part is at the ischialspines the station is 0 (synonymous with engagement)...
Posterior cervix Anterior face of sacrum Cardinal ligaments Side of the cervix Ischialspines Pubocervical ligaments Side of the cervix Pubic symphysis...
attachment to help support the abdominal viscera during erect posture, the ischialspines became more prominent and shifted towards the middle of the body. The...
through the greater sciatic foramen. It travels round the base of the ischialspine lateral to the internal pudendal artery and nerve, and - while doing...
skill and caution. The station of the head must be at the level of the ischialspines. The woman is placed on her back, usually with the aid of stirrups or...
muscles of the hip. The hamstring muscles, which originate mostly from the ischial tuberosity inserting on the tibia/fibula, have a large moment assisting...
hominids is a separate growth site for the anterior inferior iliac spine. A similar ischial structure is a characteristic found in Ardi and in extant African...