This document discusses different types of bone fractures including simple, greenstick, and comminuted fractures. It describes the characteristics of each type of fracture and the initial care and potential interventions for fractures of the extremities, which include immobilization, neurovascular assessment, reduction, fixation, traction, and casting. Assessment of fractures involves checking for pain, tenderness, loss of strength, deformity, and swelling at the site of injury.