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Positioning

  1. What is the part position for an AP projection of the toes?
    • Plantar surface of foot resting on IR
    • Resting on a 15* wedge
  2. How is the central ray directed for an AP ptoj. of the foot?
    • 10-15* to calcaneous
    • MTP joints
  3. Where should you collimate for an AP proj. of the toes?
    • 4 sides
    • Include next digit from each side
    • distal metatarsals
  4. 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)
  5. How is the CR directed of an oblique proj. of the toes?
    • Perpendicular
    • MTP joints
    • 40 inches
  6. What is the criteria for an oblique proj. of the tooes?
    • digits of interest
    • distal metatarsals
    • include next digits from each side
  7. 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)
  8. How is the CR directed for a lateral proj of the toes?
    • Perpendicular
    • IP joint of 1st digit
    • PIP joint of digits 2-5
  9. What is the criteria for a lateral proj of the toes?
    • Digits in question free of superimposition
    • true lateral
  10. 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
  11. What is the CR angle and centering for a tangential proj. of the toes?
    • Perpendicular
    • first MTP joint
  12. 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
  13. What is the patient and part position for an AP dorsoplantar projection of the foot?
    • Patient supine
    • flex knee
    • plantat flat on IR
  14. Where and how is the CR directed for a dorsoplantar projection of the foot?
    • 10* posteriorly
    • base of 3rd metatarsal
    • SID 40"
  15. What is the criteria for a dorsoplantar proj. of the foot?
    • Entire foot
    • MP joint open
  16. What is the part position for an AP oblique-medial rotation projection of the foot?
    • rotate foot medially
    • plantar 30-40* to IR
  17. Where and how is the CR directed for an AP oblique-medial rotation projection of the foot?
    • perpendicular
    • base of 3rd metatarsal
  18. What is the criteria for an oblique medial rotation profection for the foot?
    • entire foot
    • tuberosity of base of the 5th metatarsal in profile
  19. 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
  20. Where and how is the CR directed for a lateral proj. of the foot
    • perpendicular
    • medial cuneiform for mediolateral projection
  21. What is the criteria for a lateral proj. of the foot?
    • entire foot
    • 1" proximal ankle
    • 1" distal tibia-fibula
  22. 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
  23. Where is the CR directed for an AP weight bearing projection of the feet?
    • CR 15* posteriorly
    • midpoint btw feet
    • base of metatarsals
  24. What is the criteria for an AP weightbearing proj. f the feet?
    • bilateral area
    • phalanges of talus
  25. 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
  26. How is the CR directed for a lateral weight bearing proj. of the feet?
    • Horizontally
    • base of 3rd metatarsal
  27. What is the criteria for a lateral weight bearing proj. of the foot?
    • entire foot
    • 1" distal tibia-fibula
  28. 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
  29. 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
  30. 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
  31. What is the patient position for a lateral-mediolateral proj. of the calcaneous?
    • patient lateral recumbent
    • Affected side down
    • knee flexed 45*
  32. 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
  33. Where and how is the CR directed for a lareral-mediolateral proj. of the calcaneous?
    • Perpendicular
    • 1" inferior to medial malleolus
  34. 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

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