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What Is a Subpubic Arch?

Robert Thorne • • 6 min read
What Is a Subpubic Arch?

Anatomical terms of bone
The pubic arch, also referred to as the ischiopubic arch, is part of the pelvis. It is formed by the convergence of the inferior rami of the ischium and pubis on either side, below the pubic symphysis. The angle at which they converge is known as the subpubic angle.

What does Subpubic angle mean?

Medical Definition of subpubic angle

: the angle that is formed just below the pubic symphysis by the meeting of the inferior ramus of the pubis on one side with the corresponding part on the other side and that is usually less than 90° in the male and usually more than 90° in the female.

What is the pubic arch function?

The main motions of the symphysis pubis are superior/inferior glide and separation/compression. The functions of the joint are to absorb shock during walking and allow delivery of a baby.

Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.