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The sacroiliac joint is a complex formed by a synovial joint anteriorly with strong ligamen-tous attachments posteriorly to provide motion and stabil-. Abbreviation used in this paper: VB = vertebral body. ity during the transmission of loads from the axial spine to the pelvic girdle.
2 sie 2024 · The sacrum is an irregularly-shaped bone, shaped roughly like an inverted triangle, with its base superior and apex inferior. It is curved with an anterior concavity and posterior convexity.
30 paź 2023 · Regarded as the keystone of the human body, the sacrum is important because it forms a link between the spine and the iliac bones, and also has an important part to play in hip stability. Sacrum is sexually dimorphic. It is shorter and wider in females than in males.
the lateral sacral mass is the ala of the sacrum. The wing-shaped ala courses in an anterior-inferior direction. It is important to note that the cephalad aspects of the S1 ver-tebral body and ala are not in the same plane. The sloped angle of the ala relative to the cephalad border of the S1 vertebral body is approximately 30° caudally to the ...
Computed tomography (CT) provides an accurate means of evaluating the curved surface of the sacrum. However, a thorough knowledge of the normal anatomy is required in order to appreciate pathologic changes in this area [1-4]. Part 1 of our paper addresses the normal CT anatomy.
Sacroiliac joints - The alae (wings) of the sacrum articulate bilaterally with the ilium (known as sacroiliac joints). They form an essential connection between the axial skeleton and the appendicular skeleton, and function to transfer force from the lower limbs to the vertebral column.
Ala of sacrum is a large triangular surface either side of sacral base, continuous with iliac fossa (akin to adapted and joined transverse and costal processes elsewhere spine).
