Information for professionals

DEFINITION Extensor carpi ulnaris (ECU) subluxation occurs when the separate subsheath of the sixth dorsal compartment is torn or attenuated. This results in the ECU tendon moving out of its groove in the ulna, often causing a painful click during resisted supination, ulnar deviation, and mild palmar flexion. ANATOMY The

Definition Medial epicondylitis, often referred to as golfer’s elbow, involves tendinosis at the origin of the flexor-pronator mass. Despite its name, this condition is more commonly associated with racquet sports and manual labor. Anatomy The common flexor-pronator origin is located primarily on the anterior aspect of the medial epicondyle. It

Definition Lateral epicondylitis, commonly known as tennis elbow, involves tendinosis at the origin of the common wrist extensors. A more accurate term is lateral elbow tendinopathy, reflecting the condition’s degenerative nature. Anatomy The common extensor origin is located on the lateral epicondyle of the humerus. This origin includes the extensor

What are Radial Head and Neck Fractures? Radial head and neck fractures are the most common type of elbow fractures in adults, accounting for 33% of all elbow fractures. These fractures can happen on their own or alongside other bone, cartilage, or ligament injuries. Treatment aims to restore motion and

What Are Capitellum Fractures? Capitellum fractures are rare, making up less than 1% of all elbow fractures. These fractures often occur along with radial head fractures and elbow dislocations. The capitellum is the rounded part of the elbow joint where the humerus (upper arm bone) meets the radius (forearm bone).