Final answer:
The direction of displacement with transphyseal separation at the distal humerus depends on the specific injury and fracture type, and it can be anterior, posterior, medial, or lateral.
Step-by-step explanation:
The direction of displacement with a transphyseal separation at the distal humerus depends on the specific injury and fracture type. In general, the distal humerus fractures can result in anterior, posterior, medial, or lateral displacement. The specific direction of displacement would be determined by the forces applied to the bones during the injury.
For example, a fall onto the tip of the elbow can result in a supracondylar or intercondylar fracture, which can lead to displacement in different directions. It is important to note that accurate diagnosis and treatment would require medical imaging and examination by a healthcare professional.