Traditional Culture Encyclopedia - Photography major - Why do metacarpals and metatarsals take straight oblique films, while calcaneus take horizontal films?
Why do metacarpals and metatarsals take straight oblique films, while calcaneus take horizontal films?
Example 1, metacarpal bone: Generally, the chest radiograph is oblique. If you take a lateral metacarpal film, basically no one can see the bone structure clearly;
Example 2: Foot bone: Normal fault or oblique fault is generally taken, and the principle is the same as metacarpal bone.
Example 3, Thoracocostal joint: It is common to take a positive film or an oblique film. There are ribs on both sides of the chest, so it is impossible to see the structure of the sternoclavicular joint clearly on the lateral radiograph;
Example 4: Hip joint: Generally, the anteroposterior (pelvic anteroposterior) film is taken, while the lateral film is meaningless. If necessary, you can take a slant film;
Example 5, Knee joint: The common X-ray film is anteroposterior position. If necessary, take oblique or axial photos of the knee joint.
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