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What is the part position for an AP projection of the toes?
Plantar surface of foot resting on IR
Resting on a 15* wedge
How is the central ray directed for an AP ptoj. of the foot?
10-15* to calcaneous
MTP joints
Where should you collimate for an AP proj. of the toes?
4 sides
Include next digit from each side
distal metatarsals
What is the part position for an AP oblique projection of the foot (with medial/lateral rotation)?
plantar surface of foot resting on IR
30-40* medially (1-3 D)
30-40* (4-5 D)
How is the CR directed of an oblique proj. of the toes?
Perpendicular
MTP joints
40 inches
What is the criteria for an oblique proj. of the tooes?
digits of interest
distal metatarsals
include next digits from each side
What is the part and patient position for the lateral-lateromedial/mediolateral proj. of the toes?
Patient recumbent
for 1-3 digits, rotate foot medially (lateromedial)
for 4-5 digits, rotate foot laterally (mediolateral)
How is the CR directed for a lateral proj of the toes?
Perpendicular
IP joint of 1st digit
PIP joint of digits 2-5
What is the criteria for a lateral proj of the toes?
Digits in question free of superimposition
true lateral
What is the patient and part position for a tangential proj-sesamoid projection of the foot?
Patient prone/supine
Dorsiflex foot 15*-20*
dorsiflex first digit and rest it on IR
What is the CR angle and centering for a tangential proj. of the toes?
Perpendicular
first MTP joint
What is the criteria for a tangential (sesamoid) projection of the toes?
sesamoid bones in profile
borders of posterior margins of first to third dital metatarsals in profile
What is the patient and part position for an AP dorsoplantar projection of the foot?
Patient supine
flex knee
plantat flat on IR
Where and how is the CR directed for a dorsoplantar projection of the foot?
10* posteriorly
base of 3rd metatarsal
SID 40"
What is the criteria for a dorsoplantar proj. of the foot?
Entire foot
MP joint open
What is the part position for an AP oblique-medial rotation projection of the foot?
rotate foot medially
plantar 30-40* to IR
Where and how is the CR directed for an AP oblique-medial rotation projection of the foot?
perpendicular
base of 3rd metatarsal
What is the criteria for an oblique medial rotation profection for the foot?
entire foot
tuberosity of base of the 5th metatarsal in profile
What is the patient and part position for a Lateral projection of the foot (mediolateral/lateromedial)?
Patient lateral recumbent
knee flexed
plantar surface of foot is perpendicular to IR
Where and how is the CR directed for a lateral proj. of the foot
perpendicular
medial cuneiform for mediolateral projection
What is the criteria for a lateral proj. of the foot?
entire foot
1" proximal ankle
1" distal tibia-fibula
What is the part and patient position for an AP weight bearing projection of the foot?
Patiet erect
feet directed straight ahead, parallel to each other
equal weight on both feet
Where is the CR directed for an AP weight bearing projection of the feet?
CR 15* posteriorly
midpoint btw feet
base of metatarsals
What is the criteria for an AP weightbearing proj. f the feet?
bilateral area
phalanges of talus
What is the part position for a lateral weight bearing proj. of the feet?
Feet on blocks
place IR between feet
repeat for both feet
How is the CR directed for a lateral weight bearing proj. of the feet?
Horizontally
base of 3rd metatarsal
What is the criteria for a lateral weight bearing proj. of the foot?
entire foot
1" distal tibia-fibula
What is the patient part position for a plantodorsal axial projection of the calcaneous?
Patient supine
Leg fully extended
Dorsiflex foot
plantar surface perpendicular to IR
Where is the central ray directed for a plantodorsal axial proj. of the calcaneous?
base of third metatarsal
40* cephalad from long axis of the foot
What is the criteria for a plantodorsal axial proj. of the calcaneous?
entire calcaneous
tubersoity to talocalcaneal joint
sustentaculum tali in profile medially
peroneal trochlea
What is the patient position for a lateral-mediolateral proj. of the calcaneous?
patient lateral recumbent
Affected side down
knee flexed 45*
What is the part position for a lateral-mediolateral projection of the calcaneous?
True lateral
plantar surface perpendicular to IR
dorsiflex foot-right angle to leg
Where and how is the CR directed for a lareral-mediolateral proj. of the calcaneous?
Perpendicular
1" inferior to medial malleolus
What is the criteria for a lateral-mediolateral projection of the calcaneous?
calcaneous in profile
ankle joint
navicular and cuboid
base of the 5th metatarsal
Author
Brie
ID
115684
Card Set
Positioning
Description
Toe, foot, ankle
Updated
2011-11-09T21:40:56Z
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