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P. Femur and Pelvis

Proximal Femur and Pelvic Girdle

The pelvic girdle consists of 2 hip bones
The Pelvis consists of both hip bones, sacrum, coccyx
The hip is made up of the ilium, ischium, and pubic bone
What is the area between the greater and lesser trochanter called on the ANTERIOR aspect of the proximal femur intertrochanteric LINE
What is the area between the greater and lesser trochanter called on the POSTERIOR aspect of the proximal femur intertrochanteric CREST
A true AP of the hip require how much rotation? 15-20 degree internal rotation
kV for the AP Pelvis, AP Hip, and Lateral Hip is 75-85kV
Center for the AP Pelvis is centered 2" inferior to level of ASIS (crest 1.5" below top of IR)
How are you doing? EXCELLENT!
What size IR for a AP Pelvis? 14x17 CW
T/F Lesser trochanters of the femur is included in the AP Pelvis True
The superior ramus is part of the pubis
The inferior ramus is part of the Ischium
The Judet method demonstrates the Acetabulum
Center for AP hip (with hardware) 1-2" distal to neck or femur (all of hardware must be demonstrated)
Lateral of the hip is also called Frog or Modified Cleaves or Lauenstein method
Trauma Hip most often used is called Danelius-Miller or Cross-table lateral or Axiolateral (inferiorsuperior)
The modified axiolateral trauma hip when both hips can't be moved.is called Clements-Nakayama method
How much should the femur be abducted for the Cleaves method for the hip? 40-45degrees
How much should the femur be abducted for the Lauenstein method for the hip? 90degrees
The AP axial outlet projection for the pelvis requires the CR to be ______for females and _______ for males 20-35 and males 30-45degrees
The AP inlet projection for the pelvic ring requires the CR angle to be 40deg caudad
A male pelvis has an ______ angle while a female pelvis has a ________ less than 90 degrees acute, female greater than 90 degrees obtuse
Three differences in a female and male pelvis are males have narrower , deeper and less flared, angle of the pubic arch is less than 90deg, shape of the inlet is more narrower and more oval or heart shape
What are some important positioning landmarks for the pelvis iliac crest, ASIS, greater trochanter, symphysis pubis, ischial Tuberosity
The pelvis is separated into ______ superior to the inlet and ________pelvis is a cavity that is surrounded by bony structures that is of great importance during birthing process greater false pelvis, lesser true pelvis forms birthing canal
If the femoral neck is foreshortened and the lesser trochanters are in profile medially on a radiograph what is probable cause for positioning external rotation of the leg and foot
When taking a patient history for a hip x-ray it is important to ask about a prosthesis or any hip surgery for what two reasons so you can position patient without injuring site, and to make sure you center lower to include all hardware
What pathology is best demonstrated with the judet method acetabular fractures
Where is the CR placed for a unilateral frog-leg projection mid femoral neck
The cavity in the hipbone that articulates with the femoral head is called the acetabulum
The hip bone consists of what three parts? Ischium, Pubic bone, and Ilium
The ilium and sacrum articulates at the _________ joint Iliosacral
The junction of what 2 bones forms the obturator foramen of the pelvis? Ischium and Pubic bone
Name the bones that make up the pelvic girdle Right and Left Hip bones
Name the bones that make up the pelvis in an adult Sacrum, Coccyx, Right and Left Hip
The prominent ridge extending between the tochanters at the base of the neck on the posterior surface of the femur is the intertrochanteric crest
Name one or more structures that may be helpful in order to evaluate rotation on an AP pelvis radiograph (not proximal femur) Symetry of the Obturator formina or Ischial spines, and alignment of the Coccyx and Pubis symphisis.
How much do you medially rotate the feet and lower limbs to place the femoral necks parallel with the plane of the IR on an AP projection of the pelvis? 15-20 degrees
What position, projection or method is useful in diagnosing fractures of the acetabulum? Judet (axiolateral)
What is the projection of the Modified Cleaves often called? Frog leg
Do you see the lesser trochanter with the Modified Cleaves method? Yes
What projection/position of the hip best demonstrates the greater trochanter in profile? AP hip/pelvis
The angulation of the tube for the axiolateral projection (Danelius-Miller Method) is angled perpendicular to what structure? (not the film) Femoral Neck (and IR)
Where is the central directed for the unilateral frog-leg? Femoral Neck
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