A child with a humeral epiphysis fracture, accompanied by medial elbow varus and limited elbow joint flexion, is recommended for surgical treatment

A child’s left lower leg has a small bone fracture with a bump, showing a 5-mm long shadow on the main bone, suspected of being a pseudarthrosis of the tibia.

A 5-year-old girl with good health, how to repair the wound after the steel plate from a broken shinbone is removed?

What other precautions should be taken when caring for a child at home after a fracture?