What is the Function of the Coccyx?
The coccyx, also known as the tailbone, is a triangular bone located at the bottom of the spine. It is composed of four fused vertebrae and serves several important functions:
- Stabilization: The coccyx helps stabilize the pelvis and lower back by providing support to the muscles and ligaments in that area.
- Weight distribution: The coccyx aids in distributing body weight evenly when sitting, reducing pressure on the ischial tuberosities (sit bones).
- Childbirth: During childbirth, the coccyx moves backward to create more space for the baby's head to pass through the birth canal.
- Muscle attachment: The coccyx provides an attachment point for several muscles, including the coccygeus and levator ani, which play a role in bowel and bladder control.
- Protection: The coccyx acts as a protective shield for the spinal cord and other structures in the lower back.
Related Questions and Answers
- What is the shape of the coccyx? Triangular
- Where is the coccyx located? Bottom of the spine
- How many vertebrae are in the coccyx? Four
- Does the coccyx have a role in movement? No
- Can the coccyx be injured by falling? Yes
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