Humeral intramedullary nail: what to know

The humerus is the long bone between the shoulder and elbow. A nail sits within its central canal and may be secured with screws so the broken segments remain aligned during early healing. The surgical approach and nail design depend on the fracture location, pattern, bone quality, soft-tissue condition, and nearby nerves and blood vessels.

The implant supports stability but does not complete healing by itself. Shoulder, elbow, and hand movement may be introduced in stages, guided by imaging, pain, muscle control, and the surgeon's instructions. Some fractures are better treated with another fixation method or with non-operative care.

Discuss how much you may lift, when driving or work can resume, wound care, and the planned imaging schedule. Take medicines exactly as prescribed and keep the incision clean and protected. Attend physiotherapy when advised, focusing first on safe movement and later on strength. Do not use the arm for pushing, pulling, or weight-bearing until the team confirms that it is appropriate. [Fracture Fixation Surgery](/treatments/trauma-and-fracture-care/fracture-fixation-surgery/) provides broader context.

Contact the surgical team for increasing wound redness, drainage, fever, uncontrolled pain, or swelling that is worsening rather than settling. Seek urgent assessment for a cold or pale hand, new severe numbness, inability to move the fingers, sudden breathlessness, or chest pain. A fall or new impact involving the operated arm also warrants prompt advice.

Why is a nail suitable for my fracture? Where will the entry point and locking screws be? Which shoulder and elbow movements are allowed? What signs suggest delayed healing or infection? When can I return to work, driving, lifting, and sport?