Nursemaid's elbow, also known as radial head subluxation, a common injury in young children where the radial head slips from under the annular ligament due to a sudden pull on the arm. The content explores its epidemiology, noting its prevalence in females and the left arm, and a correlation with elevated weight. Diagnosis is typically clinical, with X-rays used to rule out other injuries, and treatment involves quick manual reduction techniques like hyperpronation or supination-flexion, with hyperpronation often cited as more effective and less painful. These resources also offer guidance for parents on prevention and managing recurrence.