Where does the sacrum articulate with?

Where does the sacrum articulate with?

The sacrum articulates with four bones: the last lumbar vertebra above. the coccyx (tailbone) below. the illium portion of the hip bone on either side.

What does the sacrum articulate with quizlet?

The auricular surface of the sacrum articulates with the auricular surface of the ilium to form the sacroiliac joint.

What structure articulates with the base of the sacrum?

It articulates with the fifth lumbar vertebra, the os coxae, and the coccyx.

Which part of the sacrum articulates with the ilium quizlet?

identify the bony posterior wall of the pelivs. The sacrum articulates with the hip bones on the auricular surface of the ilium forming the sacroiliac joint.

What does the sacrum articulate with superiorly?

The superior aspect of the sacrum, referred to as the sacral promontory, articulates superiorly with the L5 vertebral body of the lumbar spine. This arrangement forms the lumbosacral joint, which is reinforced by iliolumbar and lumbosacral ligaments.

What is the sacrum quizlet?

-It articulates with the lumbar spine, ilia, and coccyx. -It’s anterior surface is concave and posterior surface is convex. -In its center is the sacral canal with the cauda equina and 4 sacral spinal nerves which exit from the foramina.

What bone articulates with the sacrum at the proximal end?

8.3 The Pelvic Girdle and Pelvis. The pelvic girdle, consisting of a hip bone, serves to attach a lower limb to the axial skeleton. The hip bone articulates posteriorly at the sacroiliac joint with the sacrum, which is part of the axial skeleton.

Which bone S of the hip articulates with the sacrum?

Sacroiliac joint
The hip bones have three main articulations: Sacroiliac joint – articulation with the sacrum. Pubic symphysis – articulation between the left and right hip bones.

What bone does the sacrum articulate with on its lateral surface?

The lateral surfaces of the upper two or three sacral vertebrae form an ear-shaped “auricular” surface, which articulates with the ilium on each side.

What passes through posterior sacral foramina?

The median sacral crest of the sacrum. Posterior sacral foramina (foramenina sacralia posteriora) are eight irregular shaped openings located lateral to the bodies of the sacral vertebrae. They communicate with the sacral canal and transmit the posterior (dorsal) primary branches (rami) of the sacral nerves.