Pelvic region

Question 1

The primary functions of the lower extremity are:**

Answer 1

1. Support the weight of your body
2. Provide a stable foundation when you stand
3. Allow locomotion like running and walking

Question 2

What articulates with the innominate bone?

Answer 2

sacrum, femur, and the other innominate bone

Question 3

Each innominate bone consists of three parts, what are they?

Answer 3

Ilium, ischium and pubis

Question 4

What receives the head of the femur to form the hip joint?

Answer 4

Acetabulum

Question 5

Horse shoe shaped articular surface is the ?

Answer 5

Lunar surface

Question 6

what is the rough non-articular center portion of the acetabulum?

Answer 6

acetabular fossa

Question 7

outside edge of the acetabulum

Answer 7

acetabular rim

Question 8

inferior opening of the acetabular rim

Answer 8

acetabular notch

Question 9

acetabular notch (which is bridged by a piece of connective tissue known as the

Answer 9

transverse acetabular

ligament

Question 10

largest and uppermost portion of the PELVIC BONE

Answer 10

Ilium

Question 11

three oblique lines on the external or

lateral surface of the ilium and they indicate the bony origins of the gluteal muscles

Answer 11

anterior, posterior and inferior gluteal lines

Question 12

internal or medial surface of the ilium is known as the

Answer 12

iliac fossa

Question 13

posterior to the iliac fossa are two distinct areas—the most superior of these is known as the

Answer 13

iliac

tuberosity (an area where ligaments attach)

Question 14

posterior to the iliac fossa are two distinct areas—the more inferior of these surfaces

Answer 14

aurticular surface

where each innominate articulates with the sacrum

Question 15

inferior to the iliac fossa is a curved line that marks the boundary between the
major or false pelvis from the minor or true pelvis

Answer 15

arcuate line

Question 16

The arcuate line from each innominate forms what is

known as the

Answer 16

pelvic brim

Question 17

the superior border of the ilium is known as the

Answer 17

iliac crest

Question 18

the superior border of the ilium is known as the iliac crest, which terminates anteriorly as the

Answer 18

anterior

superior iliac spine and the anterior inferior iliac spine

Question 19

the superior border of the ilium is known as the iliac crest, the crest terminates posteriorly as the

Answer 19

posterior

superior iliac spine and the posterior inferior iliac spine

Question 20

a distinct bump that is found on the lateral most aspect of the iliac crest

Answer 20

iliac tubercle

Question 21

just inferior to the posterior inferior iliac spine is a deep notch known as the…..

Answer 21

greater sciatic notch

Question 22

an “L” shaped bone which consists of a body and ramus

Answer 22

Ischium

Question 23

portion of the ischium that enters into the formation of the acetabulum

Answer 23

The Body

Question 24

small projection of the ischium body is known as the

Answer 24

ischial spine

Question 25

small notch just below the ischial spine

Answer 25

lesser sciatic notch

Question 26

inferior to the lesser sciatic notch is a large roughened area that bears the weight of the body when sitting. (the hamstring muscles originate from this tuberosity)

Answer 26

the ischial tuberosity

Question 27

What is the most inferior portion of the ischium?**

Answer 27

Ramus

Question 28

consists of a body and two rami

Answer 28

Pubis

Question 29

the medial body (of the pubis) consists of the.....

Answer 29

``` symphyseal surface (pubis symphysis) which articulates with the pubis from the opposite innominate ```

Question 30

the superior aspect of the pubis body

Answer 30

pubic tubercle

Question 31

a line going from the pubic | tubercle to the symphyseal surface

Answer 31

pubic crest

Question 32

superior ramus is above the body of the pubis and terminates as the

Answer 32

iliopubic eminence

Question 33

prominent ridge on the superior ramus of the pubis is the

Answer 33

pubic pecten

Question 34

extends posterior and inferior from the body of the pubis to join the ramus of the ischium

Answer 34

inferior ramus

Question 35

large oval opening found at the inferior aspect of each innominate

Answer 35

Obturator Foramen

Question 36

an indentation found at the superior anterior border of the Obturator Foramen

Answer 36

obturator groove

Question 37

The Obturator Forman is closed by a piece of connective tissue known as the**

Answer 37

Obturator membrane

Question 38

What is bounded posteriorly by the lumbar vertebrae, laterally by the ilium and anterior by the abdominal wall? it helps to support and protect much of the abdominal viscera**

Answer 38

False (major) pelvis

Question 39

What is bounded posteriorly by the sacrum and coccyx, laterally and anteriorly by the ilium, ischium and pubis? This portion surrounds the birth canal in females**

Answer 39

True (minor pelvis)

Question 40

Functions of the Pelvic Bone**

Answer 40

1. Protect pelvic viscera 2. Transmit body weight to the limbs and absorb the stresses of muscular activity 3. allow locomotion by causing pelvic bone to swing from side to side 4. In the female, provides the bony support for the birth canal

Question 41

a common painful contusion injury of the soft tissue associated with the iliac crest They are very common in contact sports and usually result in a painful hematoma in the area of the injury

Answer 41

Hip pointers

Question 42

can result from direct trauma to the bone (i.e. automobile accidents) or can be caused by forces transmitted to the bone during a fall on the feet or knees

Answer 42

Fractures of the Pelvis

Question 43

features of the Pelvic bone that are most prone to fracture include the:

Answer 43

pubic rami, acetabulum (or the | area immediately surrounding it), region of the sacroiliac joint and the most lateral aspect of the ilium

Question 44

􀁸 from three primary centers (one each for the ilium, ischium and pubis) 􀁸 five secondary centers (one each for the iliac crest, anterior inferior iliac spine, ischial tuberosity, pubis symphysis and center of the acetabulum 􀁸 **bone completes its ossification between 20 and 22 years of age**

Answer 44

Ossification of the Pelvic Bone