Proximal Humerus Fractures
A 45-year-old man falls from a bicycle onto his outstretched arm. He presents with shoulder pain and limited range of motion. Radiographs reveal an isolated greater tuberosity fracture with 4mm of displacement. Examination shows weakness of external rotation and abduction. He is otherwise healthy and works as a carpenter. Regarding the anatomy and classification of greater tuberosity fractures:
Mark each as TRUE or FALSE
The greater tuberosity serves as the attachment site for the supraspinatus (superior facet), infrasp...
Greater tuberosity fractures are typically caused by direct impact on the lateral shoulder, avulsion...
The greater tuberosity has no muscular attachments and is purely bony; displacement of the greater t...
Displacement of the greater tuberosity is typically superior and posterior due to pull of the rotato...
Classification systems include the Neer classification (part of the 4-part system), the Mutch classi...
Answer the questions to see explanations
Click T (True) or F (False) for each option