Final answer:
Treatment of persistent stiffness following non-operative treatment of a radial head fracture may involve a combination of conservative measures and physical therapy.
Step-by-step explanation:
Treatment of persistent stiffness following non-operative treatment of a radial head fracture may involve a combination of conservative measures and physical therapy. Conservative measures may include medication for pain and inflammation management, such as nonsteroidal anti-inflammatory drugs (NSAIDs). Physical therapy may involve exercises to improve range of motion, strengthen the muscles around the elbow joint, and increase overall flexibility.