Most humeral fractures near the shoulder occur at the surgical neck and can be classified as Neer one-part injuries. Mid shaft humeral fractures are almost always the result of direct trauma (less often due to a fall), are either transverse or oblique, and are displaced due to muscular action. Radial nerve injury is the main complication.
 A | Lateral radiograph of the humerus. This shows an oblique fracture of the mid humerus. |
 B | AP radiograph of the humerus. The mildly displaced fracture is identified. |
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