Pelvis

Question 1

What are the four articulations within the pelvis

Answer 1

Sacrococcygeal
Sacriiliac
Pubic symphysis

Question 2

The greater pelvis is known as

Answer 2

False pelvis which provides support the lower abdominal viscera such as ileum and sigmoid colon

Question 3

The lesser pelvis are

Answer 3

The true pelvis found within the lesser pelvis which reside the pelvic cavity and pelvic viscera

Question 4

What is the pelvic inlet

Answer 4

The junction between the lesser and greater pelvis

Question 5

The bony outer edges of the pelvic inlet is known as

Answer 5

Pelvic brim

Question 6

What is a gynaecoid pelvis

Answer 6

Female pelvis

Question 7

The male pelvis is known as

Answer 7

Android pelvis

Question 8

What are the borders of the pelvic inlet

Answer 8

Sacral promontory- posterior
Arcuate line- lateral
Pubic symphysis- Anterior

Question 9

What determines the size and shape of the birth canal?

Answer 9

The pelvic inlet

Question 10

The linea terminal is a combination of?

Answer 10

Pectineal line arcuate line and sacral promontory

Question 11

The iliopectineal line is a combination of

Answer 11

Arcuate line and Pectineal line
It’s also the lateral border of the inlet

Question 12

The pelvic outlet begins and ends?

Answer 12

Begins at the end of the lesser pelvis and begins at the pelvic wall

Question 13

The borders of the pelvic outlet are?

Answer 13

Posterior : tip of coccyx
Anterior: pubic arch
Lateral: ischial tuberosities and the inferior margin of the sacrotuberous ligament

Question 14

The pelvic floor is formed by

Answer 14

Pelvic diaphragm ,
the perineal membrane
the muscles in the deep perineal membranes
Muscles in the deep perineal pouch

Question 15

What are the three elements that each pelvic bone is formed by?

Answer 15

Ilium
Pelvis
Ischium

Question 16

At what age does the three bones of the pelvis fuse together and where?

Answer 16

16 and 18 years
In the area of the acetabulum

Question 17

The ilium is separated by upper and lower region by?

Answer 17

The Arcuate line anteriorly
Posteriorly- a sharp ridge and lies superior to the surface of the bone that articulates with the sacrum

Question 18

The pubis bone projects posterior laterally to join with

Answer 18

The ilium

Question 19

The pubis bone joins laterally and inferior to join with the ramus of

Answer 19

The ischium

Question 20

The base of the sacrum articulate with which vertebra?

Answer 20

L5

Question 21

The anterior of the sacrum is

Answer 21

Concave

Question 22

The posterior surface of the sacrum is

Answer 22

Convex

Question 23

The sacral canal is a continuation of the…that terminates as…

Answer 23

Vertebral
Sacral hiatus

Question 24

What are the ligaments of the pelvic wall

Answer 24

Sacrotuberous
Sacrospinous
Iliofemoral
Ischiofemoral
Pubisfemoral

Question 25

What are the attachments of the sacrospinous ligament?

Answer 25

It’s apex attached to the ischial spine Its base to the margin of the sacrum and the coccyx

Question 26

What are the attachments of the iliofemoral ligament

Answer 26

Lower front iliac spine of coccyx To the femur trochanter

Question 27

What ligament prevents the extension of the femur in a standing position

Answer 27

Iliofemoral

Question 28

The ligamentum teres connects the

Answer 28

Higher extremity of the femoral head to the acetabulum It contains an artery that supplies the blood to the femoral head

Question 29

What extends lateral to the pubis adjacent to the Iliofemoral ligament

Answer 29

Pubofemoral ligament

Question 30

What are the two main bursas of the hip?

Answer 30

Great trochanteric bursa Ilio psoas bursa

Question 31

What ligaments stretch with the release of progesterone

Answer 31

The sacrotuberous and sacrospinous They increase the size of the outlet

Question 32

The iliac crest are higher and more pronounced in?

Answer 32

Males

Question 33

What are the muscles of the pelvic wall

Answer 33

Obturator internis Piriformis

Question 34

What is the origin and insertion of the obturator internus

Answer 34

Origin- anterior lateral wall of true pelvis Insertion- medial surface of the greater trochanter of femur

Question 35

What is the origin and insertion of piriformis

Answer 35

Origin- anterior surface of sacrum between anterior sacral foramina Insertion- medial side of superior border of greater trochanter

Question 36

What is the function of the muscles of the pelvis wall

Answer 36

Lateral rotation of the extended hip joints Abduction or flexed hip

Question 37

The obturator internus is innervated by?

Answer 37

L5 S1

Question 38

The preforms is innervated by

Answer 38

L5, S1 and S2

Question 39

What are the aperture of the pelvic walls?

Answer 39

Obturator canal The greater and lesser sciatic foramina

Question 40

What structures passes through the greater sciatic formanem

Answer 40

Above the piriformis- superior gluteal nerve Below- sciatic nerve, femoral cutaneous nerve , quadratic femoral nerves and vessels Pudenal nerve and internal pudenal vessels Obturator muscle nerve

Question 41

What structures passes the lesser sciatic foramen

Answer 41

Pudenal nerve and internal pudenal vessels Obturator muscle nerve Obturator muscle

Question 42

WHat muscles form the pelvic diaphragm

Answer 42

Levator ani Coccygeus muscle

Question 43

The urogenital diaphragm is also called the?

Answer 43

Triangular ligament

Question 44

The urogenital diaphragm occupies

Answer 44

The area between the symphysis pubis and ischial tuberosities and stretches along the triangular portion of the pelvic outlet

Question 45

The urogenital diaphragm is composed of two muscles

Answer 45

Deep transverse perineal muscle The urethral sphincter