Olecranon Bone Spurs Formation and Associated Conditions

Primary Mechanisms of Formation

• Repetitive submaximal stress on the bone leads to accelerated bone remodeling, where osteoclastic activity initially exceeds osteoblastic new bone formation, eventually resulting in reactive bone formation as the body attempts to reinforce the stressed area 1

Athletic and Occupational Overuse

• Specific athletic activities predispose to olecranon process fractures and spur formation, particularly in javelin throwers and baseball pitchers who subject the posterior elbow to repetitive high-force extension movements 1, 2
• Fatigue fractures can develop in the olecranon from repetitive submaximal stress on otherwise normal bone in athletes 1

Diagnostic Imaging

• The American College of Radiology recommends radiographs as the initial imaging modality to identify olecranon spurs and exclude fractures or other bony abnormalities 3, 4