Final answer:
The management of a nondisplaced proximal third ulnar shaft fracture involves immobilization, often through splinting or casting, followed by regular monitoring and potential physical therapy to ensure proper healing and restore function.
Step-by-step explanation:
The management for a nondisplaced proximal third ulnar shaft fracture typically involves immobilization and possibly splinting or casting. Conservatively, a long arm splint or cast may be used to keep the bone in proper alignment during the healing process. Sometimes, a functional brace that allows for some movement at the elbow and wrist may be considered, depending on the stability of the fracture and the comfort of the patient.
Follow-up with an orthopedic specialist is important to monitor healing and to determine the need for physical therapy for range of motion and strengthening exercises as the fracture heals.