Humeral Neck Fractures (Subscribe)  

Online reference of proximal humerus fractures including fracture dislocations, fractures of the tuberosity and metaphyseal fractures (fractured neck of humerus)

Proximal Humerus fractures make up 4-5% of all fractures. They are common in the older osteoporotic individuals secondary to low energy trauma such as a fall from standing but are also seen in younger patients after a high energy trauma such as a motor vehicle accident or fall from a height.

most common fracture of proximal humerus;
- frx is extracapsular, usually has an adequate blood supply and relatively low incidence of AVN;
- in contrast, anatomic neck frx has much higher incidence of AVN;
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tuberosity frag + displaced surgical neck fragment;
- unstable shafts may be driven into mass of deltoid muscle & may be anterior to the proximal fragment;
- poor bone contact will lead to delayed...