Why does elbow lateral photography require the subject's elbow to bend 90 degrees? Why should the elbow orthosis photograph with the palm facing up and the upper arm close to the bed surface?

It is necessary to bend the elbow joint at a 90-degree angle when taking lateral photos of the elbow joint, so as to better photograph the shape and structure of the elbow joint and determine whether there are bone diseases or other undesirable diseases. At the same time, this posture can make the elbow close to the detector, the center line is aligned with the lateral epicondyle of the humerus, and vertically shoots into the detector, which is beneficial to the accuracy and clarity of the shooting effect.

In the orthophoto of elbow joint, it is necessary to put the palm face up and the upper arm close to the bed in order to better photograph the front structure of elbow joint and the relationship between elbow joint and olecranon process of ulna. At the same time, this posture can make the elbow be placed in the center of the IP board, the center line is aligned with the elbow, and vertically shoots into the center of the IP board, which is conducive to the accurate and clear shooting effect. In addition, cooperating with doctors to use treatment plans and regular physical examinations is also to better treat patients' diseases or inflammations and prevent aggravation and dysfunction.