Leg, Knee, Patella (2)

Perpendicular to midpoint of leg

CR of Leg AP

Perpendicular to midpoint of leg

CR of Leg Lateral

90

In AP Leg, ankle are flexed ___ degrees

Proximal tibiofibular jt

In Leg Lateral, this joint is included which is common to have second fracture

Horizontal beam lateral (cross-table)

In Leg Lateral, if pt cannot be turned it is advised to ______

Direct to a point 1/2” distal to patellar apex

CR of Knee AP

3-5 degree internally

For a true AP knee, legs are rotated _______

Perpendicular to IR

CR of Knee AP with average patient

45 degree

In Knee AP Oblique Proj., leg is internally rotated _______

Knee Lateral

This position may be taken as a horizontal beam lateral or the lateral recumbent position

20-30

In Knee Lateral, knee is flexed _______ degree for lateral recumbent projection

5-7 degree cephalad

CR angulation of Knee Lateral for lateral recumbent projection

7-10 degree cephalad

CR angulation of Knee Lateral for short patient with a wide pelvis

5 degree

CR angulation of Knee Lateral for tall, male with a narrow pelvis patient

Direct CR to a point 1” distal to medial epicondyle

CR of Knee Lateral

AP with 10 degree cephalic angle

If patient is unable to straighten knee joints fully for AP weight-bearing bilateral, this is the alternative for them

Patellar apices

In AP weight-bearing bilateral knee, the IR is adjusted below level of _________

Rosenberg method

What method is PA Axial Weight-bearing Bilateral Knee?

40-50 degree

In Camp-Coventry method, knee is flexed ______

Perpendicular to lower leg

CR of PA Axial Proj. (Camp-Coventry Method)

Holmblad method

This projection has the patient kneeling on “all fours”

20-30

In Holmblad method, patient is ask to lean forward slowly ______ degree and to hd that position

Midpopliteal crease

In Holmblad, CR is directed to _______

Requires cooperation of pt

Disadvantage of Holmblad method

Beclere method

What method is AP Axial Proj.—Intercondyllar fossa?

Beclere method

This is a reversal of the PA Axial projection for pt who cannot assume prone position

40-45 degree

In Beclere method, knee is flexed _____

Perpendicular to IR, direct to midpopliteal crease exiting midpatellar area

CR of PA Patella

Perpendicular to IR, directed to midfemoropatellar joint

CR of Lateral-Lateromedial Patella

40 degree

In Merchant method, patient is supine with knees flexed _____

30 degree to femora, caudad

CR angulation of Merchant

Direct to a point midway between patellae

CR of Merchant

55 degree

In Hughston method, knee is flexed ____

90

For Settegast, slowly flex knee to a minimum of ___ degree

40”

Minimum SID for Settegast

Perpendicular to IR, directed to midpatellofemoral jt

CR of Hobbs Modification

Tangential to patellofemoral jt space

CR of Settegast Method

48-50”

Minimum SID of Hobbs Modification