ischium

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Related to ischial: ischial bursitis

ischium

[′is·kē·əm]
(anatomy)
Either of a pair of bones forming the dorsoposterior portion of the vertebrate pelvis; the inferior part of the human pelvis upon which the body rests in sitting.
(invertebrate zoology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Anatomical basis of chronic pelvic pain syndrome: the ischial spine and pudendal nerve entrapment.
After close review, the x-rays were re-interpreted by the specialist as abnormal at the level of the ischial tuberosity bilaterally, with evidence of chronic avulsion and tug lesions.
Transfemoral interfaces with vacuum assisted suspension comparison of gait, balance, and subjective analysis: ischial containment versus brimless.
Is the obturator artery safe when performing ischial osteotomy during periacetabular osteotomy?
The mesh arms are then inserted 2 cm medial to the ischial spine on the sacrospinous ligament, which allows the mesh to be inserted through the ligament by direct fixation.
Although the pathogenesis of PNI is unknown, it may be related to the repetitive compression and friction of the perineal fascia between the bike's saddle and ischial tuberosities.
Caption: Levator pain may be identified by pressing laterally on the levator complex at the ischial spines.
Foetal weight (g) = SFH (cm - n x 155, where SFH = Symphysiofundal height and n = 12, if vertex is above ischial spine or 11, if vertex is below ischial spine.
The obstetric parameters included mode of delivery (spontaneous vaginal delivery (SVD) versus cesarean section (CS)), use of forceps, postpartum hemorrhage, emergency birth, uterine inertia, duration of the first stage and second stage of labor, birth canal laceration (e.g., cervical laceration, vaginal laceration, and perineal laceration), fetal biparietal diameter and amniotic fluid index (within one week before birth), and pelvic measurements (including the anterior superior iliac spine diameter, iliac spine diameter, sacral shame diameter, and ischial tuberosity diameter).
There may be additional bands coming from the lumbar aponeurosis or ischial tuberosity.
For exposure of the sciatic nerve, an incision was made on the line between the knee joint and the ischial tuberosity, and the biceps femoris muscle was incised.
Ischiospinal Dysostosis (ISD) is an extremely rare medical entity characterized by kyphoscoliosis, dysplasia or aplasia of the ischial rami, segmental anomalies of the bony vertebrae, and peculiar facial morphologies.