Comprehensive Femur, Hip Joint, and Pelvis Review

Question 1

What method name will demonstrate a lateral hip joint while utilizing a horizontal CR?

Answer 1

Danelius -Miller Method

Question 2

What method name will demonstrate congenital hip dislocation in infants?

Answer 2

Andrew and Von Rosen (SP?)

Question 3

What method name is used to demonstrate a lateral hip joint with the patient in a “frogleg” position?

Answer 3

Modified Cleaves

Question 4

What degree of foot/leg rotation and in what direction should be utilized when properly positioning for the femur and/or hip?

Answer 4

15-20 degrees invereted

Question 5

In reference to question #4(What degree of foot/leg rotation and in what direction should be utilized when properly positioning for the femur and/or hip?), why should this be done?

Answer 5

To pull the greater trochanter in profile and to make the femoral neck parallel to the IR

Question 6

The head of the femur fits into the –1– to form a –2– joint.

Answer 6

1. acetabulum

2. ball and socket

Question 7

When performing a cross table lateral hip, the top of the IR should be placed at the –1– and should be –2– to the femoral neck.

Answer 7

1. Illiac Crest

2. Parallel

Question 8

When performing the infant hip series for congenital hip dislocation, the total degree of abduction should be –1– degrees.

Answer 8

90 degrees

Question 9

List the proper ages for the routines below.

• -1– pediatric
• -2– infant hips (Andren Von Rosen)

Answer 9

1. 4 mths -17 years old

2. 1 day- 4 mths

Question 10

When is a “frog leg” lateral contraindicated?

Answer 10

suspected fracture

Question 11

When performing a routine AP pelvis, the proper centering should be –1–.

Answer 11

2 inches inferior to ASIS and 2 inches superior to pubic symphysis

Question 12

For the lateral distal femur, the –1– should be superimposed.

Answer 12

condyles

Question 13

The proper SID for an upright pelvis should be –1–.

Answer 13

72 inches

Question 14

For the AP proximal femur (AP hip), the top of the IR should be placed –1–.

Answer 14

at ASIS

Question 15

The portion of the pelvis that we sit on is the –1–.

Answer 15

Ischial Tuberosity

Question 16

In order to best demonstrate the lesser trochanters the feet should be –1–.

Answer 16

everted

Question 17

When performing a lateral pelvis exam, the CR will be directed approximately 2 inches above the greater trochanter and along the –1–.

Answer 17

MCP

Question 18

When performing a unilateral modified Cleaves Method for a proximal hip, if the patient is unable to adequately “drop” their leg out, they may –1–.

Answer 18

roll toward the affected side

Question 19

This device is used to measure the proper degree of abduction when examining a patient for congenital hip dislocation.

Answer 19

protractor

Question 20

The upright pelvis study is used to best demonstrate –1–.

Answer 20

acetabular joint space narrowing

Question 21

The Lauenstein Method for lateral projections of the hip will utilize a CR that is –1–.

Answer 21

perpendicular to femoral neck

Question 22

The Hickey Method for lateral projections of the hip will utilize a CR that is –1–.

Answer 22

20-25 degrees cephalic

Question 23

When performing an upright leg length study on a long cassette, what anatomy should be demonstrated?

Answer 23

The hip joint to the ankle joint

Question 24

In reference to #23 (When performing an upright leg length study on a long cassette, what anatomy should be demonstrated?), what are 2 instructions that must be given to the patient prior to the exposure?

Answer 24

1. Remove shoes

2. Stand with equal weight on both feet

Question 25

When performing a unilateral "frogleg" Modified Cleaves Method, the CR should be directed to the --1--.

Answer 25

femoral neck

Question 26

When performing a pelvis exam, list 2 anatomic structures that should be demonstrated to show proper patient positioning has occurred.

Answer 26

1. Greater Trochanter are pulled into profile | 2. The femoral necks should be parallel to IR, not superimposed on itself

Question 27

The --1-- Method could be performed if a patient has bilateral hip injuries that prevent either a "frog" lateral or cross-table lateral/Danelius Miller Method (but, pt. can't elevate unaffected leg).

Answer 27

Clements-Nakayamma Method

Question 28

When performing either a Lauenstein or Hickey Method the femur should be placed --1-- to the IR/ table.

Answer 28

parallel

Question 29

The CR should be --1-- to the femoral neck for the cross table lateral hip exam.

Answer 29

perpendicular

Question 30

The IR should be --1-- to the femoral neck for the cross table lateral hip exam.

Answer 30

parallel

Question 31

List 2 things that could be done when performing the cross table lateral hip exam that could greatly improve the image quality of the radiograph.

Answer 31

1. Use a grid | 2. Use a compensating filter

Question 32

What is the degree of leg abduction/flexion for the Modified Cleaves Method?

Answer 32

35 degrees (25-45 degrees)

Question 33

What should be done to the unaffected leg when performing a lateral distal femur?

Answer 33

It should be draped over the affected leg. Not superimposed.

Question 34

How many degrees should the knee be flexed when performing a lateral distal femur?

Answer 34

45 degrees

Question 35

What are the 3 structures that form the acetabulum along with the fractional division and location of each?

Answer 35

Ilium 2/5 Superior Ischium 2/5 Posterior Pubis 1/5 Anterior

Question 36

The flat "wing-like" portion of the ilium is called the --1--.

Answer 36

ala

Question 37

What joint classification (by movement) is the pubis symphysis?

Answer 37

amphiarthrotic

Question 38

What anatomy must be included on a pelvis radiograph?

Answer 38

The illiac crest to the ischial tuberosities. The complete hip joint including the greater trochanter. The proximal third of the femur with the lesser trochanter.

Question 39

Name the 3 ways to localize the hip joint:

Answer 39

1. Bisect the crease of the leg and the hip 2. Go 2 inches medially from greater trochanter 3. Bisect pubic symphysis and ASIS and then go down 2 inches at a right angle

Question 40

Why will the femoral condyles NOT be completely superimposed when performing the lateral femur?

Answer 40

The medial condyle hangs lower than the lateral one.

Question 41

How much should the knee be flexed for a lateral patella?

Answer 41

5-10 degrees

Question 42

Name the 2 reasons we do a chest in the upright position if possible?

Answer 42

1. Puts the diaphragm in its lowest natural position | 2. Prevent engorgement of pulmonary vessels

Question 43

Which lateral/axiolateral hip Method will demonstrate the neck without superimposition, the Lausenstein or the Hickey?

Answer 43

Hickey