Sacrum definitions
| Word backwards | murcas |
|---|---|
| Part of speech | Noun |
| Syllabic division | sac-rum |
| Plural | The plural form of the word sacrum is sacra. |
| Total letters | 6 |
| Vogais (2) | a,u |
| Consonants (4) | s,c,r,m |
The sacrum is a large triangular bone located at the base of the spine and at the upper part of the pelvic cavity. It is situated between the two hip bones. The sacrum consists of five fused vertebrae, known as S1 to S5, which are immovable and form a protective structure for the spinal cord.
One of the main functions of the sacrum is to provide support and stability for the spine and pelvis. It plays a crucial role in weight-bearing and helps to transfer the weight of the upper body to the lower body. Additionally, the sacrum provides attachment points for various muscles, ligaments, and tendons that support the pelvis and help with movements such as walking and running.
Structure of the Sacrum
The sacrum is made up of five separate vertebrae during early adulthood, which gradually fuse together to form a single bone. The sacrum has a distinct shape, with a broad base at the top, a narrow waist in the middle, and a triangular tip at the bottom. It also contains several openings and ridges that allow for the passage of nerves, blood vessels, and ligaments.
Sacral Nerves
Emerging from the sacrum are a series of spinal nerves known as the sacral nerves. These nerves play a crucial role in the functioning of the lower body, including the legs, feet, and pelvic organs. They control motor functions such as movement and sensation, making them essential for everyday activities.
Sacroiliac Joint
The sacrum articulates with the ilium, one of the bones of the pelvis, at the sacroiliac joint. This joint is a strong, weight-bearing connection that provides stability and support for the pelvic region. The sacroiliac joint allows for a small amount of movement, which is important for activities such as walking, bending, and lifting.
In conclusion, the sacrum is a vital component of the human skeletal system, providing support, stability, and protection for the spine and pelvis. Its unique structure and functions are essential for everyday movements and activities, highlighting its importance in the overall musculoskeletal system.
Sacrum Examples
- The sacrum is a triangular bone located at the base of the spine.
- In yoga, the sacrum plays a crucial role in many poses, such as Downward Facing Dog.
- A sacrum fracture can be a painful injury that requires medical attention.
- During childbirth, the sacrum expands to make room for the passage of the baby.
- The sacrum is connected to the pelvis by the sacroiliac joints.
- Anatomically, the sacrum is made up of five fused vertebrae.
- Sacroiliitis is a medical condition characterized by inflammation of the sacroiliac joint.
- A fall onto the tailbone can result in injury to the sacrum.
- The sacrum provides stability and support for the spine and pelvis.
- In some cultures, the sacrum is seen as a sacred bone with spiritual significance.