AP Projection
- Patient in supine position;
- Flex the knee with the sole of the foot firmly on the IP;
- Toes on extension.
Central ray
angled 10º toward to the base of the third metatarsal.
Evaluation
Criteria:
- No rotation of the foot;
- Equal amount of space between the second and fourth metatarsals;
- Overlap of the second through fifth metatarsal bases;
- Base of the first and second metatarsal, medial and intermediate cuneiform free of superimposing;
- Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).
AP Oblique Projection
- Patient in supine position;
- Medial aspect of the foot on the IP at an angle of 30-45º with the same.
Central Ray
perpendicular to the base of the third metatarsal.
Evaluation
Criteria:
- Visualization of the sinus tarsi and tuberosity of the fifth metatarsals;
- Base of the first and second metatarsal, medial and intermediate cuneiform superimposed;
- Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).
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