What is the sacrum in humans?
Q: What is the sacrum in humans?
A: The sacrum in humans is a large, triangular bone located at the bottom of the spine and the upper and back part of the pelvis.
Q: What does the sacrum connect with?
A: The sacrum connects with four bones.
Q: How does the sacrum fit between the hip bones?
A: The sacrum fits like a wedge between the two hip bones.
Q: Which parts of the spine does the sacrum connect with?
A: The sacrum connects with the last lumbar vertebra and the coccyx (tailbone).
Q: Are the bones that make up the sacrum fused together?
A: Yes, during the first half of life, the bones that make up the sacrum gradually fuse together.
Q: What is the orientation of the sacrum?
A: The sacrum is concave facing forward and tilted forward.
Q: What is the function of the sacrum?
A: The sacrum provides a stable foundation for the spine and supports the weight of the upper body.