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What projection of the foot best demonstrates the longitudinal arch?
Lateral Weight bearing Longitudinal Arch
What is the CR location for the Plantodorsal Axial Projection of the Calcaneus?
CR angled 40 degrees to the long axis of the foot, entering at the level of the base of the 3rd metatarsal.
For a Medial Oblique Ankle, what should be deomsntrated?
separated distal tibia and fibula, and a closed mortise joint.
During an AP tib/fib Projection, what joints must be included?
Both joints (knee and ankle)
For an AP Knee Projection, The CR is directed _______?
angled varied based on measurement between ASIS and tabletop. Enters a point 1/2 inch (1.25 cm) below apex of patella.
The Lateral Weight bearing Longitudinal Arch will show ________?
joint viability of the foot and the longitudinal arch
For the AP Ankle Projection, the knee if fully extended with the ankle placed in ________ position, and the foot is flexed _________?
1. in a dorsiflexion position
2. foot is flexed 90 degrees to long axis of lower leg
When would an AP Stress Projection of the Ankle be ordered?
after inversion or eversion injury to verify the presence of a ligamentous tear.
How does a technologist fit the entire lower leg in the image for an AP tib/fib radiograph?
rotate the IR diagonally
depending on body habitus, the CR for an AP Knee Projection should be _______ with the tibial plateau?
Parallel
The Lateral Weight bearing Longitudinal Arch Projection is performed in the ___________projection?
Latero-Medial Projection.
What is the CR location for an AP Ankle Projection?
CR directed perpendicular to the Mid-Malleolar region.
Who positions an AP Stress Projection of the Ankle
The physician, never the technologist!
For an AP Knee Projection, if the pelvis measures BELOW 19 cm, the CR is angled _______?
3-5 degrees caudad
For a Lateral Knee Projection, the knee is placed in true lateral position, with the knee joint flexed ________?
knee joint flexed 20-30 degrees
For the Plantodorsal Axial Projection of the Calcaneus, The ankle is placed in _______position, and the foot is flexed __________?
1. Dorsiflexion position
2. foot is flexed 90 degrees to the long axis of the lower leg
For an AP Oblique (Mortise) Projection of the Ankle, the Dorsiflexed ankle is internally rotated how many degrees?
15-20 degrees
Which Bone is the weight bearing bone in the Lower leg?
the tibia
For an AP Knee Projection, if the pelvis measures between 19-24 cm, the CR is angled _______?
perpendicular
For a Lateral Knee Projection, The CR is angled _________?
5-7 degrees cephalad, entering 1/2 inch (1 cm) distal to medial epicondyle.
For the Plantodorsal Axial Projection of the Calcaneus, the Plantar surface of the foot it positioned _______ to the IR?
Perpendicular (vertical)
For the Medial Oblique Ankle Projection, what is the degree of rotation?
45 degrees medically
which bone is the Non-weight bearing bone in the lower leg?
the fibula
For an AP Knee Projection, if the pelvis measures ABOVE 24 cm, the CR is angled _______?
3-5 degrees cephalad
The CR angulation on a lateral knee projection will project the more __________ superimposed over the __________?
1. inferior medial femoral condyle
2. lateral femoral condyle