Knee & Femur

patellar surface

what is #1?

posterior cruciate ligament

what is #2?

medial meniscus

what is #3?

tibal collateral ligament

what is #4?

anterior cruciate ligament

what is #5?

lateral meniscus

what is #6?

fibular collateral ligament

what is #7?

a

what letter is the anterior cruciate ligament?

b

what letter is the lateral meniscus?

c

what letter is the fibular collateral ligament?

d

what letter is the posterior cruicate ligament?

e

what letter is the medial meniscus?

f

what letter is the tibial collateral ligament?

ACL

what is labeled as the star?

PCL

what is labeled as the check mark?

hinge or ginglymus

what is the movement of the knee joint?

synovial or diarthrosis or diarthrodial

what type of joint is the knee & femur/hip joint classified as?

joint in which two bones are spearated by a joint cavity

what is the definition of a synovial/diarthrosis/diarthrodial joint?

medial epicondyle

what is #1?

medial condyle

what is #2?

tibial plateau

what is #3?

tibial tuberosity

what is #4?

patella

what is #5?

lateral epicondyle

what is #6?

lateral condyle

what is #7?

intercondylar eminence

what is #8?

fibula

what is #9?

trochlear groove

what is labeled as the star?

intercondyle fossa

what is labeled as the check mark?

½ inch or 1 finger from the apex to knee joint

how to locate the knee joint?

10-20 degree angle

what is the angle of the plateaus of the top of the tibia?

5-7 degree caudad

For an AP knee with a patient at 18 cm, what angle do we position the tube?

perpendicular

For an AP knee with a patient at 19-24 cm, what angle do we position the tube?

5 degree cephalad

For an AP knee with a patient at 25 cm or above, what angle do we position the tube?

seasmoid

what type of bone is the patella?

anterior

what side of the patella is rough?

posterior

what side of the patella is smooth?

base

what is the top of the patella called?

apex

what is the bottom of the patella called?

ball & socket or spheroidal

what is the movement of the femur/hip joint?

15-20 degrees

what is the average angle of the femoral neck?

head of femur

what is #1?

greater trochanter

what is #2?

body/shaft

what is #3?

lateral epicondyle

what is #4?

lateral condyle

what is #5?

patellar surface

what is #6?

medial condyle

what is #7?

medial epicondyle

what is #8?

lesser trochanter

what is #9?

neck of femur

what is #10?

intertrochanteric line

what is a?

pubic sympysis

what is b?

pubic tubercle

what is c?

ischial tuberosity

what is d?

obturator foramen

what is e?

acetabular rim

what is f?

anterior superior iliac spine (ASIS)

what is g?

liac crest

what is h?

liac fossa

what is i?

sacrum

what is j?

ischial spine

what is k?

AP, medial & lateral oblique, lateral

what are the imaging protocol for an adult trauma knee?

AP & lateral

what are the imaging protocols for an 8 yearold or younger peds for a trauma knee?

AP, medial & lateral oblique, lateral

what are the imaging protocols for a 9 years old or older for a trauma knee?

AP, sunrise, lateral

what are the imaging protocols for 39 years old non-trauma knee?

AP, sunrise, lateral, PA erect

what are the imaging protocols for 40 year old or older non-trauma knee?

AP, lateral

what is the imaging protocols for a 8 year old or younger non-trauma knee?

AP, sunrise, lateral

what is the imaging protocols for 9 year old or older non-trauma knee?

laterally rotated

If the head of the fibula is too superimposed under the tibia for an AP, what direction is it rotated?

medial rotation

If the head of the fibula has space between the tibia & fibilar head for an AP, what direction is it rotated?

separation between the head of fibula & tibia

what is the main critique for a medial oblique?

superimposed fibular head under tibia

what is the main critique for a lateral oblique?

under rotated

increase medially

what is the critique of this medial oblique?

good image

what is the critique of this medial oblique?

over rotated

decrease medially

what is the critique of this medial oblique?

under rotated

increase laterally

what is the critique of this lateral oblique?

good image

what is the critique of this lateral oblique?

20 to 30 degrees

at what anlge should the patient’s knee be flex ed to get a good lateral of a knee?

over rotated

if the medial condyle is closer to the patella in a lateral knee, what is the image critique?

under rotated

if the lateral condyle is closer to the patella in a lateral knee, what is the image critique?

over rotated

what is the image critique for this lateral knee?

under rotated

what is the image critique for this lateral knee?

osgood schlatter

incomplete separation or avulsion of the tibial tuberosity

repeated stress to tibial tuberosity growth palte

stress leads to the tendon pulling away

what is the cause of a osgood schlatter?

pt w/ osgood schlatter

what is this image?

osteochondroma (exostosis)

benign projection of bone w/ a cartilaginous cap

idiopathic, hereditary

what is the cause of osteochondroma?

pt w/ osteochondroma

what is this image?

osteoarthritis (degenerative joint disease)

generalized disorder pathologically characterized by loss of joint cartilage & reactive new bone formation

traumatic, stress to joint

what is the casue of osteoarthritis?

advance stage → subtractive disease

what is the technique for a osteoarthritis?

pt w/ osteoarthritis

what is this image?

stellate fx

fracture lines radiate from a central point of injury w/ a star like pattern

trauma→ falling onto knees, knee hitting dash

what causes a stellate fx?

pt w/ stellate fx

what is this image?

femoral condyles & intercondylar sulcus

open patellofemoral articulation

what is the main critiques for a non-trauma patella erect settegast method?

lesser trochanter not seen beyond the medial border of the femur

only very small portion

what is the main critique for an AP femur?

under rotated

what is the image critique of this AP femur?

good image

what is the image critique of this AP femur?