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2 sie 2024 · Gross anatomy. 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.
27 gru 2021 · The sacrum is a large, flat, triangular-shaped, irregular bone, alternatively known as the sacral vertebra or sacral spine. It comprises five fused vertebrae (S1-S5), located at the base of the vertebral column or spine. The bone links the spine with the hip, thus helping in hip stability.
12 gru 2023 · Learn about sacrum bone/sacral vertebra, its definition, parts (base, ala, surfaces, muscles, nerves), & articulation, with labeled pictures.
The sacrum situates at the upper, back part of the pelvic cavity, between the two wings of the pelvis. It forms joints with four other bones. The two projections at the sides of the sacrum are called the alae (wings), and articulate with the ilium at the L-shaped sacroiliac joints.
11 paź 2023 · On either side of the lumbosacral joint are winglike structures called sacral ala, which connect to the iliac bones and form the top of the sacroiliac joint. Attached to either side of the sacrum are the iliac bones.
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.
30 paź 2023 · Photograph of the human sacrum with labeled bony landmarks of its dorsal surface. Test yourself on the sacrum and coccyx in this quiz.
