The sacrum (pl.: sacra or sacrums[1]), in human anatomy, is a triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1–S5) between ages 18 and 30.

Oct 23, 2025 · The sacrum is a single bone made from five fused vertebrae that connects the spine to the pelvis. It supports the body's core, especially when sitting or standing, and helps …

Nov 6, 2025 · The sacrum is a large, triangular bone at the terminal end of the vertebral column. It forms the posterior wall of the pelvis and plays a key role in weight transmission from the axial …

The sacrum is a triangular bone located at the base of the spine, which plays a crucial role in providing stability and support to the pelvis.

The sacrum is a triangular-shaped bone that forms the foundation of the spine, connecting it to the pelvis. The sacral vertebrae, sacral hiatus, and sacral foramina are essential anatomical …

Sep 12, 2025 · The sacrum is a triangular, wedge-shaped bone formed by the fusion of five sacral vertebrae and positioned between the lumbar spine and the coccyx. It forms the posterior wall …

Nov 11, 2025 · The sacrum is a large wedge shaped vertebra at the inferior end of the spine. It forms the solid base of the spinal column where it intersects with the hip bones to form the pelvis.

Oct 30, 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 …

Jun 3, 2025 · The sacrum is a triangular bone formed by the fusion of five sacral vertebrae, located between the lumbar spine and the coccyx. It articulates with the pelvis at the sacroiliac …

Nov 25, 2024 · Let’s start with a quick anatomy lesson: According to Russell DeMicco, D.O., the associate director of the Cleveland Clinic Center for Spine Health in Ohio, “the sacrum is a …