Unit 3-Pelvis

Question 1

What makes up the bony pelvis?

Answer 1

Sacrum, Coccyx, and Os Coxae (fusion of 3 bones)

Question 2

What is the division of the abdominal and pelvic cavity?

Answer 2

The sacral prominatory

Question 3

What makes up the lateral mass (ala)?

Answer 3

The transverse processes of the 5 sacral segments

Question 4

T/F

Lateral masses articulate with Ilium at SI joint

Answer 4

True

Question 5

What modailty shows the sacral nerves?

Answer 5

MRI

Question 6

How many segments of the coccyx are there?

Answer 6

Consists of three to five small fused bony segments.

(dont need to label each segment by its number, just label coccyx)

Question 7

What makes up the Os Coxae?

Answer 7

lium, Ischium and Pubis (anterior)

Question 8

What is the concave, anterior surface of the ala called?

Answer 8

Iliac fossa

Question 9

What is the largest and most superior part of the Os Coxae?

Answer 9

The Ilium

Question 10

T/F

The superior iliac spines are on both the anterior and posterior part of the iliac crest

Answer 10

True

Question 11

What is the upper portion of the acetabulum composed of?

Answer 11

Upper portion of the acetabulum is made of body of ileum

Question 12

What forms the lower anterior portion of the acetabulum?

Answer 12

The pubis

Question 13

What makes up the pubis?

Answer 13

Body + superior & inferior pubic rami

Question 14

What makes up the pubic symphysis?

Answer 14

The body of the two pubic bones (R & L) meeting at the midline

Question 15

T/F

The superior pubic ramus projects inferiorly and laterally from the acetabulum to the midsagittal plane.

Answer 15

False; The superior pubic ramus projects inferiorly and medially from the acetabulum to the midsagittal plane.

Question 16

In what direction does the inferior pubic ramus travel to meet with the join the ischium? What is this union called?

Answer 16

The inferior pubic ramus projects inferiorly and laterally. Union called ischiopubic ramus.

Question 17

What forms the lower posterior portion of the acetabulum?

Answer 17

Body of the ischium

Question 18

What makes up the ischium?

Answer 18

Body + 2 rami

Question 19

Which way does the superior ischial ramus extend towards the ischial tuberosity?

Answer 19

Posteriorly and inferiorly

Question 20

What does the Inferior ischial ramus join with?

Answer 20

Inferior pubic ramus

Question 21

What direction does the Inferior ischial ramus extend to join with the inferior pubic ramus?

Answer 21

Anteriorly and medially

Question 22

What forms the obturator foramen?

Answer 22

The union of the pubic rami and ischium

Question 23

T/F

If you see superior pubic ramus, you are at the level of the ischial spine

Answer 23

True

Question 24

T/F

When we see pubic ramus, we see part of the body projecting backwards to see the ischial spine

Answer 24

True

Question 25

What anatomy is this describing?

Extends from the posterior inferior iliac spine to the ischial spine.

Answer 25

Greater sciatic notch

Question 26

What anatomy is this describing?

Extends from the ischial spine to the ischial tuberosity.

Answer 26

Lesser sciatic notch

Question 27

How does the pubic symph and ischial tuberosity connect?

Answer 27

By the inferior pubic ramus