2-16-16-Pelvic And Perineal Osteology/arthology (Olinger)

Question 1

The ___ is the area of the trunk between the thighs and buttocks, from the coccyx to the pubis, inferior to the pelvic diaphragm

Answer 1

Perineum

Question 2

The ___ includes the paired coxal bones, the sacrum, and the coccyx

Answer 2

Bony pelvis

Question 3

The ___ describes the paired coxal bone, which are joined anteriorly at the pubic symphysis

Answer 3

Pelvic girdle

Question 4

The ___ is a continuation of the vertebral foramina and transmits the cauda equina

Answer 4

Sacral canal

Question 5

___ is an abnormal anteriorly directed separation of the L5 vertebral segment from the sacrum

Answer 5

Sponylolisthesis

Question 6

___ is when the vertebral arch separates from the vertebral body

Answer 6

Spondylolysis

Question 7

The superior pelvic aperture is also known at the ___

Answer 7

Pelvic inlet

Question 8

The ___ exists at the pelvic brim, between the greater and lesser pelves, and is formed by the sacral promontory, superior edge of the sacral ala, arcuate line of the ilium, pectin pubis, posterior edge of the pubic crest and superior edge of the pubic symphysis

Answer 8

Superior pelvic aperture (pelvic inlet)

Question 9

The inferior pelvic aperture is also known as the ___

Answer 9

Pelvic outlet

Question 10

The ___ is bound by the inferior edge of the pubic symphysis, inferior pubic and ischial rami, ischial tuberosities, sacrotuberous ligaments and the coccyx.

Answer 10

Inferior pelvic aperture (pelvic outlet)

Question 11

The ___ is the passage between the superior pelvic aperture and inferior pelvic aperture

Answer 11

Pelvic canal

Question 12

Which gender tends to have thicker, heavier pelves, a deeper greater pelvis, narrower and deeper lesser pelvis, a small pelvic outlet, a narrow pubic arch, a round obturator foramen, and a large acetabulum?

Answer 12

Males

Question 13

This pelvic shape is characterized classically as Male:

Answer 13

Android

Question 14

This pelvic shape is characterized classically as female:

Answer 14

Gynecoid

Question 15

This pelvic shape is described as elongated anterior to posterior:

Answer 15

Anthropoid

Question 16

This pelvic shape is described as elongated laterally:

Answer 16

Platypelloid

Question 17

Describe what generally happens during a pelvic fracture:

Answer 17

Pelvic fractures or crush fractures almost always involve multiple fractures given that the articulated pelvis is a bony ring and therefore difficult to break in only one place.

The superior and inferior pubic rami are often broken on both sides as a result of this kind of injury

Question 18

These ligaments produce the ligamentous borders which produce the greater and lesser sciatic foramina from the greater and lesser sciatic notches

Answer 18

Sacrotuberous and sacrospinous ligaments

Question 19

___ dips down out of the abdomen into the pelvis to cover, but not surround the pelvic viscera

Answer 19

Peritoneum

Question 20

The perineum is a quadrangular space when viewed from the inferior aspect. Identify the 4 points of this quadrangle:

Answer 20

• Pubic symphysis (anteriorly)
• Coccyx (posteriorly)
• 2 ischial tuberosities (laterally)

Question 21

The pelvis, or pelvic cavity is the region of the trunk ___ to the abdomen, between the pelvic brim and pelvic diaphragm

Answer 21

Inferoposterior